The first three alphabetic characters define the core environmental limits of the rubber sheet:
The final digit indicates the material's resistance to permanent deformation under a constant compressive load at elevated temperatures. A lower compression set value implies a higher-quality sealing material. Common JIS K 6380 Material Callouts jis k 6380 pdf
The Jis K 6380 pdf standard has far-reaching implications in various industries, including: The first three alphabetic characters define the core
: Used as flexible joints or weather-resistant covers in construction. BtoB向け情報検索サイト イプロス jis k 6380 pdf