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Strictly speaking, it can only be concrete accelerator, not cement accelerator. When accelerator is added to concrete, sodium aluminate and sodium carbonate, the main components of accelerator, react rapidly with gypsum in cement in alkaline solution to form sodium sulfate, which deprives gypsum of its original retarding effect, resulting in rapid hydration of calcium aluminate minerals and precipitation of hydrated product crystals in the solution. So that cement concrete can quickly set.Matter…
POLY-CARBOXYLATE SUPERPLASTICIZER 1. Application Poly-Carboxylate is a superplasticizer for high performance concrete, high strength concrete, high volume fly ash/slag concrete and grouting/self-leveling screed/mortar.2. Characterstic1） High early strength: Significant increase of early strength and 28d strength.2） Low slump lose: Great reduction of slump lose.3） Excellent durability: Reduction of cracking , shrinkage and creep.4） High water reduction: Water reduction more than 25% accor…
Additives used well in mixing station A are not necessarily used well in mixing station B. For the application of additives, only when the products satisfying the performance requirements and stable quality are selected, can the additives play their due role. The source and performance of concrete are different, and the amount of concrete admixture determined is not the same as that recommended by the supplier. It is necessary to adjust the mix ratio of concrete and the formula of admixture when…
Ready-mix Concrete bleeding problem
1. The usage method and dosage of waterproof additives for cement mortar are as follows.1. Construction: Add additives according to 5% of the weight of cement, pour water into it, mix it mechanically and place it slightly for 5-10 minutes, then mix the cement slurry for batch filing and compacting and plastering construction.2. Material requirements: Cement label not less than 32.5.3. Usage and dosage(1) Base surface treatment: solid, fully wet but without clear water, no floating or sinking, oi…
Composition analysis of cement additives and raw materials, formula analysis of new cement additives, formula reduction of concrete additives, composition analysis of cement colorants, composition analysis method of resin additives, composition analysis of cement components, experimental report of cement component analysis, composition analysis of additives, composition analysis of cement kiln ringing, composition analysis of Yingkou cement, composition analysis of cement grinding aids formula A…
cement grinding aids
1. Improving cement grinding technology, improving grinding efficiency, reducing power consumption per unit of cement grinding, and reducing production costs.· 2. Improve the quality of cement, improve the gradation of cement particles, and reduce the production cost by saving cement clinker.· 3. Improve the applicability of cement and concrete admixtures.· Improving cement grinding processDashiqiao cement grinding aid· Grinding aids can solve the problems of ball-wrapping, grinding, pipe bl…
The choice of grinding aids for cement can be divided into powder, liquid and gas. And we usually choose the first two kinds of liquid products, with the use of experience of manufacturers and market promotion. Liquid grinding aids are more and more accepted by manufacturers. Because of its advantages of simple operation and less investment in equipment, powder products still account for a certain market share. Each factory depends on the different production process. The selection points can be…