... of manufacturing and constraction . A. GRP/FRP Pipe Definition 1. Full name: Glass Fiber Reinforced Thermosetting ... ~2.5Mpa 3. Length: 1m~12m B. FRPM Pipe Definition(GRP PIPES WITH SANDS) 1. Full name: ... : resin, Glass Mat, fiberglass and quartz sand. FRPM Pipe Specifications 1. Nominal diameter: DN300mm~DN4000mm 2. Pressure range ... abroad--Philipinies ,Singapore ,Vietnam and EU fiberglass waste water pipe