is the Japanese industrial standard for determining how vulcanized rubber reacts when submerged in liquids . It is technically equivalent to the international standard ISO 1817 . Why This Standard Matters
Measures whether the rubber has absorbed the liquid (swelling) or if the liquid has extracted soluble components from the rubber (shrinkage). jis k 6258 english pdf
Samples are submerged in standardized fluids like petroleum products, crude oil, or specific industrial chemicals. is the Japanese industrial standard for determining how
If your company exports rubber products to Japan or works with Japanese OEMs (automotive, electronics, or industrial machinery), compliance with JIS standards is often a contractual requirement. or industrial machinery)