High Strength Foam filled Epoxy Resin Fiberglass Cross Knitting+ Pultrusion Insulation Tube was widely used for the live line tools and other insulation parts which need the better electrical performance and light weight. 1.Standard:GB13398, IEC 60855 2.Material:Fiber glass and epoxy resin. 3.Process:Continuous knitting fiberglass pultrusion+foam fill process