Our Instruments

Thermal Testing: HDT Vicat

Plastics and thermoplastics in particular are temperature-sensitive.

The HDT and Vicat tests consist in determining temperature degree of a stressed sample that submits a deflection: in the HDT test sample submits a flexion, while in the Vicat test sample is penetrated by a tip.

Thermal Testing: HDT


The HDT (ISO 75) test involves samples under stress combined with initial force applied while immersed in a thermostatic-water bath whose temperature is increased at constant rate.

The temperature of deflection of a given value corresponds to the results of the analysis.

Thermal Testing: Vicat

The VICAT (ISO 306) test involves a penetrating element with a circular section (a needle), loaded with a pre-defined weight.

Sample is then immersed in a thermostatic-water bath at constant increased temperature rate. The result of the analyse is recorded when the needle penetrates samples.

This Website uses technical and users' profiling cookies (first or third parties' ones) to send advertising messages in line with users' preferences expressed while web browsing. Keeping web browsing or entering any item of the website without changing your browser settings, means to implicitly accept to receive cookies on our website. You may change the settings of cookies at any time by selecting the “Privacy Policy” link in the website from which you may easily refuse to give consent to the installation of cookies.