PDF Download JIS K 6380:1976 (R1979): Industrial Rubber Packing Materials. JIS JIS K 6380:1976 (R1979) NormSplash JIS K 6380:2014 Rubber packing material - Intertek Inform
The document defines the types of rubber to which the standard applies. This includes natural rubber (NR) and various synthetic rubbers such as SBR (Styrene-Butadiene Rubber), NBR (Nitrile Rubber), and EPDM. Understanding the scope ensures that engineers are applying the correct testing parameters to the correct material. jis k 6380 pdf
This is the critical question.