MATERIALS : It is made of either of three grades of High Density Poly Ethylene polymers. i.e PE-63, PE-80 & PE-100 PRODUCT RANGE : These HDPE pipes are available in sizes 20 mm to 315mm in pressure rating of PN-2.5, PN-4.0, PN-6.0, PN-8.0, PN-10.0, PN- 12.5 & PN-16.0 in all three grades PE-63, PE-80 and PE-1