Specification of plastic roller chain guides/ hdpe sheet: Product Name PE Rod (Polyethylene,Polythene) Optional Type Sheet,Rod,Tube,Film Material Polyethylene Environment Recyclable Sample Free of charge Density 0.98 g/cm3 Colour Natural(white),Black,can be customized Diameter 20-200mm Tubes Outer Diameter Can be customized Formation Methods Casting Stock Size (Length) 1000mm,can be customize d