... ,5mm,6mm,7mm 2. As welding material 3. Black,white,red,blue,clear 4.MOQ: 20kg HDPE Welding Rods Rolls Material:PE/PP ... .Form: stick, reelDiameter: 1.7mm-12.0mm; The special diameter can be made by customer's requirement.Characteristic:acid-proof; anti ... plastic container,plastic plates, pipes and so on. 4MM HDPE Welding Rods Rolls