What is concrete defoamer

Concrete is a stone mixed with water, sand, stones and some chemical additives, if necessary, in a particular proportion. Foaming occurs when concrete is made due to agitation. The appearance of a large amount of foam will lead to a decrease in the s…

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High Purity Molybdenum Disulfide MoS2 Powder CAS 1317-33-5, 99%

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How to know expandable graphite?

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