An Unbiased View of use of plasticizers in concrete
According to the construction on the polycarboxylic acid key chain, the polycarboxylic acid sequence superplasticizer goods may be divided into two types. A type of polyether acquiring acrylic acid or methacrylic acid as the most crucial chain and grafting various side chain lengths.Beberapa orang juga menyebutnya sebagai “admixture” karena dic