Test Inks

Test Inks can make statements on the adhesive strength of printing inks, coatings and adhesives on all surfaces such as plastic, metal and glass as well as on the degree of cleanliness in mN/m (dyne/cm).


For testing the surface tension

To determine the cleanliness of surfaces


Test Inks PINK

• Available in a range of 28 to 60mN/m surface tension.
• Available in bottles or in pens
• PINK test ink is non-toxic.

Test Inks BLUE

• Available in a range of 18.4 to 105 mN/m surface tension.
• Available in bottles or in pens (28 to 70 mN/m)
• According to ISO8296, DIN 53364 toxic corresponds to 24 to 56 mN/m


• Available in 38 mN/m.
• Available in pens.


Rapidtest 38

Rapidtest 38 serves to check if the treatment of polyolefins (polypropylene, polyethylene, polybutylene) has shown an effect onto the material. The fluid applied to the surface will dry within seconds, it does not need to be wiped off anymore.
- extremely easy to handle
- perfect for quick checks on polyolefins
- no wiping off necessary, lasting display of result
- archiving of the image possible
- not toxic to aquatic organisms.
- does not cause eye damage.
- not harmful to health.
The test fluid of Rapidtest 38 contains solvent. This might cause wrong results being displayed on materials not being solvent resistant, as PS for example.

arcotest GmbH

We are manufacturers of test inks.
We offer a comprehensive overall program of inks, pens and accessories.
Visit us on
parts2 clean, Stuttgart Germany, 2019 Okt. 22. - 24.


Expert advice, guarantee of the given values, reliable and prompt delivery, cooperation with our customers at home and abroad have been our absolute priority for 40 years.

Quality Assurance

For quality assurance, the inks are tested using a state-of-the-art contact angle measuring device, taking temperature and density into account. Safety data sheets provide information on handling, storage and transport regulations.

Purchase orders

Orders in writing by post, fax,
Email or the contact form