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US4654085A Additive for cementitious compositions 失效
水泥组合物的添加剂

Additive for cementitious compositions
摘要:
An additive for cementitious compositions is provided comprised of a cellulose ether, a starch ether and a polyacrylamide. This additive, when added to cementitious compositions, improves the workability of the resulting cementitious composition when used as a tile grout or mortar.
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