... transport, and can save operation and maintenance cost.A. GRP/FRP Pipe Definition 1. Full name: Glass Fiber Reinforced ... Pipe 2. Main Ingredients: resin, Glass Mat, fiberglass FRP/GRP Pipe Specifications 1. Nominal diameter: DN25mm~DN4000mm 2. Pressure range: 0 ... : resin, Glass Mat, fiberglass and quartz sand. FRPM Pipe Specifications 1. Nominal diameter: DN300mm~DN4000mm 2. Pressure range: 0. ...