... Fiber Reinforced Thermosetting Resin Pipe 2. Main Ingredients: resin, Glass Mat, fiberglass FRP/GRP Pipe Specifications 1. Nominal diameter: DN25mm~DN4000mm 2 ... Fiber Reinforced Plastics Mortar pipes 2. Main Ingredients: resin, Glass Mat, fiberglass and quartz sand. FRPM Pipe Specifications 1. Nominal diameter: DN300mm ...