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(Compatibility between polycarboxylic acid slump protection agent and various raw materials of concrete) Cement When the same polycarboxylic acid sloughing agent is used but different cement is used, it is possible that…

(Deterioration of superplasticizer) Polycarboxylate superplasticizer is the third generation of high performance superplasticizer after common superplasticizer and superplasticizer. Compared with other kinds of superplasticizer, it has the advantages of strong molecular designability,…

(Uses and usage of various concrete additives) Self-leveling regulating water-retaining agent Dry and large flow concrete is used to solve the problems of unreasonable gradation of sand and stone, excessive stone powder,…

(What is a water-based defoamer?) What is a water-based defoamer? Water-based defoamer is mainly used for foam treatment in water-based systems such as water-based coatings and water-based inks. Easy to operate, with…

(The function of Powder Defoamer) Powder defoamer is a solid powder defoamer. Powder defoamer is often used in the building materials industry, which can more quickly eliminate the foam problems caused by…

(What should be paid attention to when using concrete admixtures(2)?) 1. Adopt a suitable mixing method In the process of concrete mixing, the mixing method of admixture has a great influence on…

(What should be paid attention to when using concrete admixtures?) 1. Choose suitable admixture according to engineering characteristics Admixtures can be used for almost all kinds of concrete, but suitable admixtures must…

(What is the advantage of polycarboxylate superplasticizer?)  1. Excellent plastic retention performance Because the steric hindrance of the extended polymer side chain effectively hinders the secondary agglomeration between cement particles, so the product…

(What are the types of superplasticizer?) Common superplasticizers include lignosulfonates and their derivatives, advanced polyols and polyol complexes, hydroxy carboxylic acids and their salts, polyvinyl ethers and their derivatives, etc. Superplasticizer includes…

(Waterborne defoamer for concrete) Polycarboxylate superplasticizer is often used in concrete, which can reduce the water consumption of concrete while maintaining the same fluidity, thus improving the strength and durability of concrete.…

(How to avoid mortar quality problems caused by excessive hydration reaction caused by high temperature?) In the summer when the temperature is high and the air humidity is low, due to the…

(Air bubbles in concrete: Why and How to deal with it?) The bubbles in concrete above 100μm are called large harmful bubbles, 100 ~ 50μm are called harmful bubbles, 50 ~ 20μm…