Application：Suitable for sealing of high pressure pipe flangesin nuclear industry, chemical, chemical fiber, metallurgy, atomic energy, aerospace, thermoelectric, light industry and pharmacy, etc

Warm attention：

We provide the following types in international standards : JB88-59、HGJ73-91、JB/T88-94、DIN2679、JIS、JPI、ANSI and so on，we also produce special type on your special need