... or low viscosity. These products are demi-natural polymer additive, thickening agent, filtrate reducer. PAC is an indispensable product for ... white powder is transparent and viscid. As water-soluble polymer, it dissolves immediately in cold/hot water and can ... be used as a thickening agent, rheology controller, bond, stabilizer, colloid protector, suspending agent, and filtrate reducer. PAC is ...