... performance of light weight, impact resistance, corrosion resistance. XinJie formwork can be reused 25-50 times and the average cost ... plastic sheet, PVC sheet and PP plastic sheet, XinJie building formwork has the advantages of light weight, high strength, high ... , corrosion,impact and flexibility and toughness,stiffness. The building formwork are suitable to be used on surroundings from -20 to ...