... high strength.density:1.5-2, 1/4 of carbon steel, but the same tensile strength with ... resist to air, water and general concentration of acid, alkali, salt, and a variety of solvent oil. So, it also can ... and other mentals.3. Good electrical performanceFRP is a good insulation material, it can keeps good dielectric properties ... K), is excellent insulation material. Fiberglass Insulated A Type Ladder