... ColoursGrey,black characteristicsGood surface brightness ,no crack,Execelletn strength and toughness performanceNon absorbentNo deformation, good abrasion ... has a melting point of 75°C. Although PVC has a tensile strength of about 52Mpa,it is ... folding.Eviroment protection,chemical industry,mentallurgy of rare metals, extraction work of rare earth,water treatment, construction industry ...