Formed of V-shaped 316L strip and soft PTFE filler. The Material of Outside ring and inside ring is 316L.It can be bear the most bitter chemical medium, and has good anti-creeping the low temperature environment,it has good sealing effect.
Product Feature : 
1.Chemical resistant
2.Acid and alkali resistant
3.Quick to install and remove
4.Combinations of metal strip and filler are selected to suit the specific fluid media and operating conditions. 
Product Specification / Models : 
1. Products are manufactured in accordance with all relevant gasket standards to suit flange designations: ASME B 16.20, ASME B 16.5, BS1560, ASME B 16.47 A (B), BS EN 1092, DIN, JIS, and NF, etc.
2. Color cord as ASME B 16.20 on request.