... 2, Acid, alkali, salt, corrosion resistance, non-toxic Plastic Extrusion Wwelding Rod/Plastic Welding RodIntroduction:1), The product is PE resin of ... , in the production, pipe fittings manufacture, welding plastic containers and the necessary plastic products. 4), Packing: 5 Kg/piece; 2 Kg/piecePicture Product ...