bus bar insulator(busbar insulator, standoff insulator) SM series Busbar Insulator Specifications 1.Size: SM25,SM30,SM35,SM40,SM45,SM51,SM60,SM76 2.Material:DMC 3.Tensile strength:600LBS 1.Description 1) Made of bulk molding compound, unsaturated polymer with fiber glas 2) Good electrical resistance, heat resistance, fire resistance, low shrinkage and water resistance properties 2.Specification ...