Highly valued for its excellent oil resistance.
Specifically defines materials for industrial rubber packings. It excludes sponge rubber, ebonite, and O-rings.
that summarize the JIS K 6380 test values for their specific compounds. 株式会社十川ゴム from a product data sheet? JIS K 6380:1999 Rubber packing material - Intertek Inform
Often used for steam and outdoor applications due to its heat and ozone resistance. Versions and Availability
Resistance to physical property changes when exposed to high temperatures over time.