2K Polyester Putty (Light Weight Body Filler) Origin: China Regular Packing (attach hardener): 2.0 kg/tin, 4.0 kg/tin Grade: Fine and Soft Grade Ingredients: unsaturated polyesters resins, styrene, titanium dioxide, stuffing, anti sediment agent, Cobalt bis (2-ethylhexanoate) auxiliary agent, catalyst mixing ratio 100:2. Application: Widely being applied to auto refinishing field, auto repair workshops, leveling up of metal surface etc., right applying it before spraying auto paint. Please feel free to ask if you have any question.