... grab method), extension rate at break ,tearing strength single-blade, double-blade, trapezia),billiard bursting strength and elastic material’s repeat elongation(including ... operation.4. Built-in power of the value of automatic digital calibration system.5.Test function integrated design,and open data ... /2ASTM D1683 ASTM D4964 ASTM D5733/5735 BS 3320 Tensile Strength Tester (JQ-8750)