... .anti-corrosion, electric insulation 3. proof&sound FRP Roof of Building and ConstructionFRP pultrusion profiles are wildly used as best material ... industries as chemical,metallurgy, pertraleum, railway, ocean survey, mining,ship building etc. PropertyDirectionUnitTest MethodProfilesRodsTensile strenghtLWMPaASTM D638/GB1447-83210-350500-700CWMPa30-60Tensile ...