Filler:graphite, PTFE, asebstos, non-asbestos 
Winding and centering material: Carbon steel,Stainless teel and all kinds of alloy 

They are suitable for petroleum, chemical, mechanical, power and ship building industries, static sealing at connecting joints of flanges of pipeing valves, pumps, pressurized vessels, manholes, tower. Beacause of high mechanical strength, convenient application and good temperature, they are more suitable for the situations where temperature changes intensively and frequently.

Please send inquiry to bill@cnpipefitting.com