{"id":7140,"date":"2020-01-24T11:13:09","date_gmt":"2020-01-24T10:13:09","guid":{"rendered":"https:\/\/arcotest.info\/?page_id=7140"},"modified":"2025-01-18T13:01:49","modified_gmt":"2025-01-18T12:01:49","slug":"tensione-superficiale","status":"publish","type":"page","link":"https:\/\/arcotest.info\/it\/tensione-superficiale\/","title":{"rendered":"Determinazione della tensione superficiale"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-5d3e52e\" data-block-id=\"5d3e52e\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-5d3e52e-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1b9357e\" data-v=\"4\" data-block-id=\"1b9357e\"><style>.stk-1b9357e {margin-top:20px !important;margin-left:30px !important;}@media screen and (max-width:689px){.stk-1b9357e {margin-left:10px !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1b9357e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1b9357e-inner-blocks\"><style>@media only screen and (max-width: 600px) {.gb-69e5fb26876ef{font-size: 30px!important;}}<\/style>\n<h2 class=\"gb-69e5fb26876ef wp-block-heading\" id=\"h-bestimmung-der-oberflachenspannung\">Determinazione della tensione superficiale<\/h2>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-75f564c\" data-block-id=\"75f564c\"><style>.stk-75f564c-column{--stk-columns-spacing:37px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-75f564c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-43d9889\" data-v=\"4\" data-block-id=\"43d9889\"><style>.stk-43d9889 {align-self:center !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-43d9889-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-43d9889-inner-blocks\">\n<p>Con l&#8217;inchiostri di prova si pu\u00f2 verificare la tensione superficiale di materiali solidi come la plastica &#8211; metallo &#8211; vetro &#8211; ceramica ed altro. <br\/>In particolare pu\u00f2 essere determinata l&#8217;adesione delle superfici attraverso l&#8217;immagine del inchiostro.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">La determinazione della tensione superficiale si esegue tramite applicazione dei inchiostri di prova sulla superficie da controllare. Si effettua una linea verticale di pochi centimetri e l\u2019osservazione del inchiostro.<\/h5>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-43a084d\" data-v=\"4\" data-block-id=\"43a084d\"><style>.stk-43a084d {align-self:flex-end !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-43a084d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-43a084d-inner-blocks\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"953\" src=\"https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line.webp\" alt=\"\" class=\"wp-image-86813\" style=\"width:343px;height:363px\" srcset=\"https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line.webp 900w, https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line-283x300.webp 283w, https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line-142x150.webp 142w, https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line-768x813.webp 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-64a0c48\" data-block-id=\"64a0c48\"><style>.stk-64a0c48 {margin-bottom:111px !important;}.stk-64a0c48-column{--stk-columns-spacing:0px !important;--stk-column-gap:24px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-64a0c48-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5dd98a9\" data-v=\"4\" data-block-id=\"5dd98a9\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5dd98a9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5dd98a9-inner-blocks\">\n<p class=\"has-palette-color-6-background-color has-background\">Se la corsa si contrae entro 2 o 4 secondi, a seconda delle specifiche dell&#8217;inchiostro, la tensione superficiale della superficie di prova \u00e8 inferiore a quella dell&#8217;inchiostro di prova.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f28010a\" data-v=\"4\" data-block-id=\"f28010a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f28010a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f28010a-inner-blocks\">\n<p class=\"has-palette-color-6-background-color has-background\">Dimostra l\u2019inverso, la tintura si diluisce dimostra che la tensione superficiale \u00e8 pi\u00f9 bassa della superficie.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2b7ccf7\" data-v=\"4\" data-block-id=\"2b7ccf7\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2b7ccf7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2b7ccf7-inner-blocks\">\n<p class=\"has-palette-color-6-background-color has-background\">Se la striscia non dimostra cambiamenti la tensione superficiale \u00e8 esatta oppure leggermente superiore.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-1e29d1b\" data-block-id=\"1e29d1b\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-1e29d1b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4a5598a\" data-v=\"4\" data-block-id=\"4a5598a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4a5598a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4a5598a-inner-blocks\">\n<h3 class=\"wp-block-heading\">Testare la superficie in plastica con PINK 38 Jumbo<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d1dfda3\" data-v=\"4\" data-block-id=\"d1dfda3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d1dfda3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d1dfda3-inner-blocks\">\n<p>In questo esempio di applicazione, la tensione superficiale su plastica PE nera viene testata con la penna di prova <strong>PINK 38 Jumbo.<\/strong><\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-422046b\" data-v=\"4\" data-block-id=\"422046b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-422046b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-422046b-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9SbFR5ZEpvaGdpWSIgZnJhbWVib3JkZXI9IjAiIGFsbG93PSJhY2NlbGVyb21ldGVyOyBhdXRvcGxheTsgY2xpcGJvYXJkLXdyaXRlOyBlbmNyeXB0ZWQtbWVkaWE7IHBpY3R1cmUtaW4tcGljdHVyZSIgYWxsb3dmdWxsc2NyZWVuPSIiPjwvaWZyYW1lPg==\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">Stai visualizzando un contenuto segnaposto da <strong>Predefinito<\/strong>. Per accedere al contenuto effettivo, clicca sul pulsante sottostante. Si prega di notare che in questo modo si condividono i dati con provider di terze parti.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Sblocca il contenuto<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accetta il servizio richiesto e sblocca i contenuti<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">Ulteriori informazioni<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-wrzn1j5\" data-block-id=\"wrzn1j5\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-wrzn1j5-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rgiylo0\" data-v=\"4\" data-block-id=\"rgiylo0\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rgiylo0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rgiylo0-inner-blocks\">\n<h3 class=\"wp-block-heading\">Test della superficie metallica con PINK 10 ml<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rsmwqkm\" data-v=\"4\" data-block-id=\"rsmwqkm\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rsmwqkm-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rsmwqkm-inner-blocks\">\n<p>In questa immagine il test viene eseguito con l&#8217;inchiostro di prova PINK \/ bottiglietta 10 ml \/ con bastoncino di cotone. Si raccomanda di applicare per ogni prova un bastoncino di cotone nuovo.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4o6t06a\" data-v=\"4\" data-block-id=\"4o6t06a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4o6t06a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4o6t06a-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9PNjhZSjFxNExJMCIgZnJhbWVib3JkZXI9IjAiIGFsbG93PSJhY2NlbGVyb21ldGVyOyBhdXRvcGxheTsgY2xpcGJvYXJkLXdyaXRlOyBlbmNyeXB0ZWQtbWVkaWE7IGd5cm9zY29wZTsgcGljdHVyZS1pbi1waWN0dXJlIiBhbGxvd2Z1bGxzY3JlZW49IiI+PC9pZnJhbWU+\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">Stai visualizzando un contenuto segnaposto da <strong>Predefinito<\/strong>. Per accedere al contenuto effettivo, clicca sul pulsante sottostante. Si prega di notare che in questo modo si condividono i dati con provider di terze parti.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Sblocca il contenuto<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accetta il servizio richiesto e sblocca i contenuti<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">Ulteriori informazioni<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-pwenn1x\" data-block-id=\"pwenn1x\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-pwenn1x-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3qmhrnp\" data-v=\"4\" data-block-id=\"3qmhrnp\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3qmhrnp-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3qmhrnp-inner-blocks\">\n<h3 class=\"wp-block-heading\">Controllare la pulizia della superficie metallica<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gpdfxe1\" data-v=\"4\" data-block-id=\"gpdfxe1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gpdfxe1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gpdfxe1-inner-blocks\">\n<p>In questa immagine il test viene eseguito con l&#8217;inchiostro di prova PINK \/ bottiglietta 10 ml \/ con bastoncino di cotone. Si raccomanda di applicare per ogni prova un bastoncino di cotone nuovo.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-mjvub3s\" data-v=\"4\" data-block-id=\"mjvub3s\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-mjvub3s-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-mjvub3s-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9TNE1JYzhRaUY5SSIgdGl0bGU9IllvdVR1YmUgdmlkZW8gcGxheWVyIiBmcmFtZWJvcmRlcj0iMCIgYWxsb3c9ImFjY2VsZXJvbWV0ZXI7IGF1dG9wbGF5OyBjbGlwYm9hcmQtd3JpdGU7IGVuY3J5cHRlZC1tZWRpYTsgZ3lyb3Njb3BlOyBwaWN0dXJlLWluLXBpY3R1cmUiIGFsbG93ZnVsbHNjcmVlbj0iIj48L2lmcmFtZT4=\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">Stai visualizzando un contenuto segnaposto da <strong>Predefinito<\/strong>. Per accedere al contenuto effettivo, clicca sul pulsante sottostante. Si prega di notare che in questo modo si condividono i dati con provider di terze parti.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Sblocca il contenuto<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accetta il servizio richiesto e sblocca i contenuti<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">Ulteriori informazioni<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-8573796\" data-block-id=\"8573796\"><style>.stk-8573796 {margin-bottom:50px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8573796-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-211df4f\" data-v=\"4\" data-block-id=\"211df4f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-211df4f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-211df4f-inner-blocks\">\n<h3 class=\"wp-block-heading\">Prova di una pellicola in poliolefine a 38 mN\/m<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3c685b1\" data-v=\"4\" data-block-id=\"3c685b1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3c685b1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3c685b1-inner-blocks\">\n<p>Con il RAPIDTEST 38\u00ae \u00e8 possibile constatare se il trattamento preliminare delle poliolefine (polipropilene, polietilene, polibutilene) ha avuto effetto. Il liquido contenuto nella penna rimane ad un valore di tensione superficiale di circa 38mN\/m o superiore come linea continua, al di sotto del quale si stacca. La linea applicata con RAPIDTEST 38\u00ae si asciuga in pochi secondi, non necessita \/ non pu\u00f2 pi\u00f9 essere cancellata.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f460536\" data-v=\"4\" data-block-id=\"f460536\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f460536-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f460536-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9qd3RQNjRlNXIwYyIgdGl0bGU9IllvdVR1YmUgdmlkZW8gcGxheWVyIiBmcmFtZWJvcmRlcj0iMCIgYWxsb3c9ImFjY2VsZXJvbWV0ZXI7IGF1dG9wbGF5OyBjbGlwYm9hcmQtd3JpdGU7IGVuY3J5cHRlZC1tZWRpYTsgZ3lyb3Njb3BlOyBwaWN0dXJlLWluLXBpY3R1cmUiIGFsbG93ZnVsbHNjcmVlbj0iIj48L2lmcmFtZT4=\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">Stai visualizzando un contenuto segnaposto da <strong>Predefinito<\/strong>. Per accedere al contenuto effettivo, clicca sul pulsante sottostante. Si prega di notare che in questo modo si condividono i dati con provider di terze parti.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Sblocca il contenuto<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accetta il servizio richiesto e sblocca i contenuti<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">Ulteriori informazioni<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<style>@media only screen and (max-width: 600px) {.gb-69e5fb269995f{font-size: 30px!important;}}<\/style>\n<h2 class=\"gb-69e5fb269995f wp-block-heading\" id=\"h-sauberkeit-von-werkstoffen\">Purezza dei materiali<\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h5 class=\"wp-block-heading\" id=\"h-die-begriffe-sauberkeit-und-reinheit-von-werkstoffen-bedurfen-einer-naheren-definition-da-die-werkstoffe-ob-als-formteile-oder-folien-in-ihrer-oberflache-vorliegen-kann-hier-der-begriff-sauberkeit-angebracht-sein-da-reinheit-von-werkstoffen-sich-auf-den-aufbau-also-auch-das-innere-gefuge-eines-gesamtkorpers-beziehen-kann\">I termini pulizia e purezza dei materiali necessitano una definizione pi\u00f9 precisa. Poich\u00e9 i materiali, pezzi lavorati o pellicole, sono disponibili nella loro superficie, \u00e8 pi\u00f9 appropriato parlare di pulizia, in quanto la purezza dei materiali si riferisce invece alla loro struttura, ovvero alla loro costituzione interna. <\/h5>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-43dbd94 is-style-default\" data-block-id=\"43dbd94\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fe2a36e stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"fe2a36e\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fe2a36e-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-fe2a36e-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-a812bd7 stk-block-background\" data-block-id=\"a812bd7\"><style>.stk-a812bd7 {background-color:#d7dadd !important;}.stk-a812bd7:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-2a90297\" id=\"verschmutzungen-von-werkstoffen\" data-block-id=\"2a90297\"><style>@media screen and (max-width:689px){.stk-2a90297 .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Inquinamento dei materiali<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-6de89ff\" data-block-id=\"6de89ff\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-6de89ff\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-6-de-89-ff-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-6-de-89-ff-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7482be1 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"7482be1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7482be1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7482be1-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Le impurit\u00e0 dei materiali possono avere diverse origini e presentarsi in molteplici forme. Esistono da un lato le impurit\u00e0 particolari, dall\u2019altro le impurit\u00e0 pellicolari. Le prime si presentano come punti singoli ordinati in maniera irregolare e a distanza tra loro. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Le impurit\u00e0 filmiche coprono interamente o parzialmente la superficie. Esse possono anche essere definite \u201cpure\u201d quando sono \u201cpulite\u201d ai sensi della definizione della tensione\/energia della superficie.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Per\u00f2 non possono riferirsi alla struttura interna del pezzo, che pu\u00f2 essere descritta solo dalla purezza. Siccome si tratta delle superfici sottoposte ad un\u2019ulteriore lavorazione, vanno definiti anche i livelli di pulizia, il che generalmente \u00e8 possibile con il termine di tensione superficiale.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-ac0db32 is-style-default\" data-block-id=\"ac0db32\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e70179d stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"e70179d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e70179d-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-e70179d-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-721468e stk-block-background\" data-block-id=\"721468e\"><style>.stk-721468e {background-color:#d7dadd !important;}.stk-721468e:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-905a7de\" id=\"zweierlei-prufungsverfahren-erganzen-sich\" data-block-id=\"905a7de\"><style>@media screen and (max-width:689px){.stk-905a7de .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Due metodi di prova che si integrano tra loro<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-c4397b7\" data-block-id=\"c4397b7\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-c4397b7\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-c-4397-b-7-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-c-4397-b-7-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-56eecd1 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"56eecd1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-56eecd1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-56eecd1-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>La lavorazione interessa ad esempio la stampa, la verniciatura e l\u2019incollaggio. I processi in questi ambiti sono una soluzione semplice: il test delle superfici con inchiostri di prova e misurazioni degli angoli di contatto. Nel primo caso la procedura \u00e8 semplice e pratica, in quanto nei processi produttivi l\u2019applicazione dell\u2019inchiostro pu\u00f2 avere luogo senza problemi sulle superfici di prova. Il secondo caso invece richiede delle apparecchiature e rappresenta le componenti della tensione superficiale suddividendole secondo polarit\u00e0 e dispersione.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Il test con gli inchiostri di prova mostra solo la somma dei due valori, il che basta nella maggior parte dei casi ad una valutazione delle superfici. I due metodi non possono essere applicati senza contatto o in continuo. Non applicabili in continuo significa che nei processi produttivi, ad esempio delle pellicole, le misurazioni possono essere eseguite solo allo stato di riposo e non mentre scorre il nastro.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>In casi eccezionali \u00e8 possibile eseguire una misurazione a velocit\u00e0 molto ridotta. I termini pulizia e purezza possono essere impiegati a scelta, anche se pulizia \u00e8 utilizzabile sempre solo per le superfici. \u00c8 consigliabile comunque non intercambiare i termini, poich\u00e9 questo potrebbe causare malintesi.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-3d0ad49 is-style-default\" data-block-id=\"3d0ad49\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9a8e4e2 stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"9a8e4e2\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9a8e4e2-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-9a8e4e2-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-fa6365b stk-block-background\" data-block-id=\"fa6365b\"><style>.stk-fa6365b {background-color:#d7dadd !important;}.stk-fa6365b:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-c6dd6be\" id=\"vorbehandlung-mit-erhohter-oberflachenspannung\" data-block-id=\"c6dd6be\"><style>@media screen and (max-width:689px){.stk-c6dd6be .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Pre-trattamento con tensione superficiale elevata<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-58e0d69\" data-block-id=\"58e0d69\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-58e0d69\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-58-e-0-d-69-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-58-e-0-d-69-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-635498e stk-block-accordion__content\" data-v=\"4\" data-block-id=\"635498e\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-635498e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-635498e-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Il termine pre-trattamento si riferisce alla pulizia di superfici con mezzi meccanici, in particolare il lavaggio con o senza solventi. Il pre-trattamento viene impiegato da alcuni decenni anche insieme a un trattamento fisico con corona, plasma e sfiammata, in cui per\u00f2 l\u2019effetto elettrico modifica le superfici in modo tale che le loro parti polari aumentano notevolmente. Tutto ci\u00f2 aumenta la tensione superficiale, migliorando notevolmente anche la capacit\u00e0 di adesione.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Ad esempio le materie plastiche di polilefine, la cui tensione superficiale corrisponde naturalmente a valori intorno ai 30 mN\/m, possono essere portate con relativa semplicit\u00e0 a valori superiori ai 45 mN\/m, il che corrisponde a ottimi valori di adesione per la stampa, l\u2019incollaggio e la verniciatura. Questi valori non possono in alcun modo essere raggiunti con i processi originari della pulizia, anche se va sempre tenuto presente che per un pre-trattamento valido \u00e8 molto spesso necessaria una pre-pulizia di tipo meccanico.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Questo riguarda in particolare le superfici metalliche che sono sporche ad es. a causa degli oli utilizzati nella produzione delle pellicole o dei pezzi.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n\n<div style=\"height:57px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:clamp(18.959px, 1.185rem + ((1vw - 3.2px) * 0.863), 30px);\">.<\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h5 class=\"wp-block-heading\">. <\/h5>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-0bd5d61 is-style-default\" data-block-id=\"0bd5d61\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b8094ad stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"b8094ad\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b8094ad-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-b8094ad-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-2a7d77b stk-block-background\" data-block-id=\"2a7d77b\"><style>.stk-2a7d77b {background-color:#d7dadd !important;}.stk-2a7d77b:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-433eea0\" id=\"effiziente-haftfestigkeitsprufung\" data-block-id=\"433eea0\"><style>@media screen and (max-width:689px){.stk-433eea0 .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">.<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-2fcb6e7\" data-block-id=\"2fcb6e7\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-2fcb6e7\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-2-fcb-6-e-7-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-2-fcb-6-e-7-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1ab7d02 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"1ab7d02\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1ab7d02-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1ab7d02-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>.      <br\/><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>.         <br\/><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>.   <\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>Determinazione della tensione superficiale Con l&#8217;inchiostri di prova si pu\u00f2 verificare la tensione superficiale di materiali solidi come la plastica &#8211; metallo &#8211; vetro &#8211; ceramica ed altro. In particolare pu\u00f2 essere determinata l&#8217;adesione delle superfici attraverso l&#8217;immagine del inchiostro. La determinazione della tensione superficiale si esegue tramite applicazione dei inchiostri di prova sulla superficie [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7140","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"featured_image_src":null,"featured_image_src_square":null,"_links":{"self":[{"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/pages\/7140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/comments?post=7140"}],"version-history":[{"count":0,"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/pages\/7140\/revisions"}],"wp:attachment":[{"href":"https:\/\/arcotest.info\/it\/wp-json\/wp\/v2\/media?parent=7140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}