
GRP FRP Mortar Pipes for Underground Sewage. High Strength & Durability: Filament winding process ensures high tensile strength and stiffness for long-distance pipelines. Corrosion Resistance: Resin-rich inner liner and chemical surfacing mat protect against corrosive environments. Customizable Pressure: Available in Gravity, 0.6MPa, 1.0 MPa, and 1.6 MPa pressure ratings. Customizable Stiffness: Options include SN5000, SN7500, and SN10000 stiffness classes. Certified Quality: Manufacturer holds ISO9001, ISO14001, and OHSAS18001 certifications. Easy Installation: Reasonable jointing type allows for convenient installation and speedy leakage testing. OEM/ODM Service: Full customization, minor customization, and flexible customization services available. Global Supply: Annual output of 20,000 tons with exports to USA, Brazil, Japan, and Germany.