By chance, I obtained a rare early-strength water-reducing agent compound method.
Commonly used compound materials include sodium gluconate, dextrin, air-entraining agents, defoaming agents, sodium nitrate, inorganic salts, alcoholamine enhancers, etc. The compounding methods are: …
A powerful reference material recommended by the concrete admixture industry
my country’s concrete additives started late. In 1950, the North China Kiln Industry Company Research Institute produced my country’s first additive product, the Great Wall brand air-entra…
How to solve the problem of sand and gravel separation caused by concrete segregation, rinsing water, rinsing slurry and poor workability?
Concrete segregation is a phenomenon in which the adhesion between the components of the concrete mixture is insufficient to resist the sinking of the coarse aggregate. The reasons for this phenomenon…
Solutions to concrete segregation caused by cement
First of all, after the cement enters the concrete mixing or construction site, it must be tested according to the required test items, paying special attention to the water demand of the cement. If n…
Concrete admixtures are classified by function
Concrete admixtures are mainly divided into the following categories according to their functions: (1) Admixtures that improve the rheological properties of concrete mixtures, including various water-…
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