anti-corrosion, long service life,ight weight, easy installation GRE(glassfiber reinforced epoxy) pipe is a new type of nonmetallic pipe. In its making, ... and injection wells (brine, CO2, polyester, heat and etc.).FeaturesHigh Corrosion Resistance Excellent Fatigue Durability, Long Service Life Strong Bearing, High Safety ... Heat Insulation Specification:DN40-600MM, Pressure 3.5Mpa~25Mpa GRE pipe