For some applications there is no
alternative to a perfluorelastomer.
In thoses cases it is good to know if
you can trust in the extraordinary
Perlast® compound from COG.
As a state-of-the-art product
Perlast® combines PTFE resistance
to chemicals and heat with FPM
elastomer properties. It is used where
other elastomers can not do the job and
maximum reliability is required. Special Perlast® materials compliant with FDA, USP Class VI and clean room requirements are used in e.g. in the pharmaceutical and food industries.

The Perlast® range of elastomers offer performance characteristics that span the most demanding of applications in industries. Perlast®'s flexibility provides you with a number of advantages. The combination of in-house tooling, extensive range of material grades and rapid production, means that non-standard O-Rings and custom components can be supplied just as easily as a BS/AS standard sizes – with exceptionally short lead times.

Advantages of Perlast®:

•   Maximum chemical restistance of all elastic sealing materials
•   High temperature stability up to 325 °C, depending to the used type
•   Low compression set
•   Excellent vacuum performance
•   Flexibel in the application
•   Appropiate material for various requirements
•   Wide range of approvals/ licences
•   Ring diameter up to 2000 mm possible