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