Plastic Welding Rods 1.1.75,2mm,3mm,4mm 2.HDPE,PP, ... available 3.Natural,black,white,blue... 4.MOQ: 20kg 4mm Plastic Welding Rods Material:PE/PP(Polyethylene/Polypropylene),ABS, PVCColor: usually black ... ;Salty-proof; anti-corrossion; poisonousless.Usage:Used to weld the plastic container,plastic plates, pipes and so on. 4mm Plastic Welding Rods