The 2-Minute Rule for polycarboxylate superplasticizer
Based on the construction in the polycarboxylic acid major chain, the polycarboxylic acid collection superplasticizer products could be divided into two types. A type of polyether possessing acrylic acid or methacrylic acid as the leading chain and grafting diverse facet chain lengths.Acquiring the correct slump movement in just concrete can be a b