PTFE envelopes

This envelope, made of virgin PTFE, has a high chemical stability, good mechanical properties and permanent resistance in humidity and gas. The 3R972 is available in several constructions to meet the most demanding applications. The standard shape is round.


The PTFE envelopes are designed to protect gaskets from different media and mostly from aggressive chemicals.

N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.