Characteristic: 1)This product is specially designed for large surface repair and filling of automobile. 2)Good apply performance for large surface, quick curing, easy sanding, and there is no pinhole as well as sand hole, improvement of efficiency. 3) it is especially suitable for high requirement of comprehensive of surface filling. Scope of construction: It can be used in iron panel, steel plate, and on any painted metallic surfaces. product packing: carton, 4pots or 8pots /carton product storing: 1.The product should be stored at the cool indoor place,preventing from the moisture. 2.The guarantee period is 12months.