... 3.Tensile Strength Test 4.500kN LM Series Horizontal Tensile Testing Machine (for Composite Insulator Tensile Strength Test) Applications & Functions: This ... series machine is specially used for tensile, breaking strength, destructive test of composite insulator. Designed specifically for composite insulator testing, this ... , 380V, 50Hz 13.Motor power:7.5kw Horizontal Tensile Testing Machine