PTFE gasket has excellent Corrosion-resistance &High temperature-resistance more than other plastic and it be used in sealing material comprehensive.
PTFE gasket technology spesification??br /> 
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. PTFE gasket, PTFE jacketed gasket
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, PTFE jacketed gasket 
Discription
 unit
 index
 
surfaceconsistency
 g/cm3
 2.10-2.20
 
≥extendintensity
 MPa
 25
 
≥rupture elongate rate
 %
 300
 
 
 
PTFE properties
Temperature -200??260??nbsp;
Pressure 105bar
PH range 0-14

Expanded PTFE properties
Temperature -268??315??
Pressure 210bar
PH range 0-14