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.
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. 
