... this masterbatch in LDPE, LLDPE, HDPE film blowing application. It can improve film 's extrusion efficiency and increase film or bottle 's physical properties ... to make PE heavy bags,PE liquid packaging film,sanitary products bags,agricultural film,PE handbags,inside bags,high quality vest PE ... bags,PE garbage bag. The film which add EC21C can be compound with BOPP, BOPA and ...