PTFE gasket,is made by cutting PTFE stick, pipe and sheet into flat
shape, v shape gasket or valve annulus.it has 100% PTFE structure.
it can bear the most bitter chemical medium, and has good
anti-creeping performance. Expanded PTFE gasket , is a replacement
of asbestos. it is anti-creeping, anti-cold-flow,
anti-low-temerature.it has no pollution. it is easy to install and
replace. under small pre-stress force, it can bear great internal
pressure even in a environment of changing pressure. it is the best
suit the condition with rough and fragile flange and
alternately-changing temperature.