... ) 2. epoxy resin, With high mechanical strength FRP insulator is made of fiberglass or ECR-fiberglass (FRP/GRP) and epoxy resin, With high mechanical strength ... resistance, used for silicone rubber composite insulator, pocelain insulator, composite hollow insulator, Pillar insulator, cross arm insulator, electric railway insulators, HV switch, ... 1000, 2000 mm, and according to request. FRP insulator