... and new design for rotomolding plastic road barrier product LDPE,HDPE,LMDPE,LLDPE,PE,UV.8. resistant or food grade material for product. OEM ... material for plastic product .rotational moulded plastic product :Plastic kayak ,plastic water tank , plastic fuel tank , plastic air-belower shell , plastic road barrier , plastic display cases , plastic military cases ,plastic tooling boxes, plastic ...