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.Available for baking under 180 deg.C. for 2 hours or 15 minutes under 200 deg.C.. Please feel free to ask if you have any question.