发明授权
US5716447A Flowability additive 失效
流动性添加剂

Flowability additive
摘要:
A cement pumpability-enhancing additive which comprises polyethylene glycol and diethylene glycol monobutyl ether and/or a derivative thereof, and optionally polysaccharide. The additive is especially useful for high-strength, high-flow concretes for use in construction.
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