【Scope of application】 Used for testing the tensile breaking strength and breaking elongation of leather, plastics, composite materials, canvas materials, etc. 【Related Standards】 GB/T3923.1, ISO13934.1, ISO13935.1, ISO9073.3/4, ASTM D5035, ASTM D2261, etc. 【Test mode】 Constant velocity elongation (CRE) type Take the specified sample, use the instrument, stretch at the specified speed until it breaks, and record the breaking strength and breaking elongation at the same time