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FRP/F4 standard number

2018-06-21View Original

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As stated in the title, I am looking for the standard numbers, specifications, and manufacturers of FRP/F4 pipes and fittings.
Reply #22018-06-21
HGT 21579-1995 Polypropylene-Fiberglass Reinforced Plastic (PP-FRP) Composite Pipes and Fittings; HG 20520-1992 Fiberglass Reinforced Plastic Polyvinyl Chloride (FRP PVC) Composite Pipes
Reply #32018-06-21
There are differences between polytetrafluoroethylene, polypropylene, and polyvinyl chloride.

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