ECMALON 4446 is an Orthopthalic based polyester laminating resin with self - Extinguishing characteristics. Grade Ecmalon 4446 to produce general fire-retardant mouldings complying with the requirement of 'VERY LOW FLAMMABILITY' TYPE: I rating as per I.S.6746: 1994. This resin is suited for hand lay-up/ Infusion and filament winding applications.