Vertical Line Post Insulator FRP & HTV Silicone Rubber KEMA, WHVRI Report IEC & ANSI Standard Cantilever ... silicone rubber for the sheds of composite insulator2.Epoxy Pultrusion FRP or ECR Fiberglass Rod for the core rod of the ... .over 10 years' experience in production & export of insulator and FRP Rod Productsc.KEMA, CESI, WHVRI test reports, ISO 9001 Approved ...