... , increase the efficient and reduce the cost. Be used together with our company's SM high efficient water ... the exact mixing amount )3. ApplicationThis product can be used in the plaster gypsum, the glue gypsum, the gypsum putty, ... moisture from the air, so it must be kept in the original sealed bag and stored at the dry ... -flammable, so the transportation requirement is general. Retarder Used In Gypsum