Additives that affect the properties of gypsum(Ⅲ)
09.Water reducer Water reducer can improve the fluidity of gypsum slurry and the strength of gypsum hardened body. And it is usually used for gypsum self-leveling mortar and plaster. At present, the domestic water reducers are arranged in terms of fluidity and strength effect as polycarboxylic acid retarding water reducer, melamine high-efficiency water reducer, tea-based


