Steel pipe knowledge: Glass steel pipe is also called glass fiber winding sand pipe (RPM pipe)

Glass steel pipe is also called glass fiber wrapped sand tube (RPM tube). Glass fiber reinforced plastic mainly uses glass fiber and its products as reinforcing materials, polymer unsaturated polyester resin and epoxy resin as matrix materials, and inorganic non-metallic particulate materials such as quartz sand and calcium carbonate as fillers as main raw materials. The standard effective length of FRP pipe is 6m and 12m. Its production methods include fixed-length winding process, centrifugal casting process and continuous winding process. According to the product process, pressure level PN and stiffness grade SN classification classification.
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