Cut or mold rubber specimens according to JIS K 6251 (tensile test) or JIS K 6253 (hardness). The standard dictates dimensions and number of specimens (usually 3 minimum).
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: Effects on tensile strength, elongation at break, and hardness. Cut or mold rubber specimens according to JIS
: Changes in length, width, or thickness. Mass and Volume : Tracking weight gain or loss and swelling. elongation at break
JIS K 6258 is the for testing how rubber materials (vulcanized or thermoplastic) behave when exposed to liquids. It is technically aligned with ISO 1817 (formerly ISO 1817:2005).