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A new type of superplasticizer polyoxyethylene-ether macromonomer is known as concrete moisture reducer. This superplasticizer uses polyoxyethylene ether macromonomer as well as unsaturated and sulfonic acids group monomer through radical polymerizat…
Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
The epidemic and oil prices have a dual impact on the polypropylene tube price fluctuations in early…
In this article, the physical foaming agents of carbon dioxide foaming agents and hydrochlorofluorocarbon foaming agents will be talked about.…
Health care workers who received the fourth dose of the Pfizer coronavirus vaccine had a significantly lower risk of contracting arcanocron than their counterparts who received only three shots, according to a study released Tuesday.…