thermoset epoxy resin insulation material epoxy prepreg solid arylic rod 33kv,66kv,132kv,400kv ECR properties anti-brittle FPR rod,GFRP Rod,G-10 Rod,FR4 Rod pultrusion processepoxy fiber bar is made from fiberglass roving. continuous strand mat and surface mat which are impregnated with resin PropertiesNOPARAMETERunitindicators1Density(20±2°C)g/cm3≥2.02Water Absorption rate(at 20±2°C,24h)%≤0. ...