Jis K 6380 Pdf

Determined using test standard JIS K 6258 via immersion in IRM903 reference oil at 100°C for 72 hours. Performance is graded from Class A (volume change exceeding 140% or unspecified) to Class G (negative volume change or minimal swelling). Class C defines a volume change range between 81% and 120%.

Ethylene-propylene-diene rubber (EPDM) - Excellent heat/weather resistance S: Styrene-butadiene rubber (SBR) I: Isobutene-isoprene rubber (IIR) H: Chlorosulfonated polyethylene rubber (CSM) jis k 6380 pdf

The core of JIS K 6380 is its classification system, which uses a three-letter code (e.g., BGC, HKC, or AAD) to define a rubber material's capabilities in three key areas: Determined using test standard JIS K 6258 via

Determines resistance to indentation using IRHD or Durometer methods. JIS K 6251 which uses a three-letter code (e.g.