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(Cause Analysis of Shrinkage Cracking of Foam Concrete) Excessive water absorption of foamed concrete will reduce the thermal insulation effect. From the preparation process of foamed concrete and the observation and study…

(The role and working principle of polycarboxylate superplasticizer in concrete) 1. Dispersion After the cement is mixed with water, due to the molecular attraction of the cement particles, the cement slurry forms…

(Technical characteristics of polycarboxylic acid superplasticizer in application) 1.The water reduction rate of concrete is not closely related to the fluidity of paste and the water reduction rate of mortar. In the…

(How to use concrete antifreeze?) Difference between concrete early strength agent and antifreezing agent Early strength agent: The admixture which can accelerate the development of early strength of concrete is called early…

(How to add concrete additives?) At present, the construction process of building engineering puts forward special requirements for concrete materials, such as adjustable setting, high durability and light weight. At the same…

(Superplasticizer action mechanism) Under the condition that the slump of concrete is basically the same, the admixture for mixing water can be reduced. According to its water reducing rate, it can be…

(Polycarboxylic acid slump protection agent) For a long time, the working performance and strength of concrete are closely related to the water-cement ratio. For example, the preparation of high-strength concrete usually needs…

(Effect of gradation and thickness of sand on water-reducing performance of polycarboxylic acid.) In order to study the effect of gradation-thickness of sand and gravel on the water-reducing efficiency of polycarboxylic acid,…

(Effect of acidity and basicity of sand and gravel on water-reducing efficiency of polycarboxylic acid superplasticizer) 1. Effect of surface characteristics of sand and gravel on water-reducing efficiency of polycarboxylic acid superplasticizer.…

(Effect of mud content of sand and gravel on polycarboxylic acid superplasticizer.) 1.    Effect of sand and gravel materials with different mud content on water-reducing efficiency of polycarboxylic acid superplasticizer.   It…

(Water reducing mechanism of PCE powder) There are nearly 100 kinds of polycarboxylic acid superplasticizers with different chemical components on the market, which can be roughly divided into four types: the first…

(What are the advantages of superplasticizer defoamer？) Superplasticizer defoamer can eliminate foam and other causes of foam, and it is also widely used in the building materials industry. For example: cement, gypsum,…