... CMC and 10%~20% HPMC in paint production process, reduce your costs. Water retention agent of mastic, emulsion paint; and ... it's acted as suspending agent, stabilizer, filmogen in water-based paint, it possesses the functions of emulsifying ... It is acted as water retention agent in mastic, emulsion paint; and in daubing, as the suspending agent, stabilizer, filmogen,it serves the ...