... certificate 2. HTV, RTV, LSR silicon rubber silicon rubber for manufactoring composite insulators1. ISO 9001 certificate2. HTV, RTV, LSR ... properties、high and low temperature resistance、ageing resistance, suitable for high voltage and power transmission equipment such as insulator、 ... 、C1、D1 series are suitable for molding and T2、C2、D2 series are suitable for injection or extrusion.Catalysted,Colored or ...