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What is the role of water reducer
Class:news Author:guanli Date:2016-6-14 9:44:09
Features
1, low dosage, high water reduction, water reduction of up to 45%;
2, light slump loss is small, ready-mixed concrete 1h slump loss rate of less than 5%, 2h less than 10%;
3, enhance the effect is significant, concrete compressive strength 3d 50 ~ 110%, 28d compressive strength of 40 ~ 80%, 90d compressive strength increased by 30% to 60%;
4, excellent workability of concrete without segregation, bleeding phenomenon, concrete exterior color uniformity. When used in the preparation of high-grade concrete, concrete cohesion is good and easily stirred;
5, the gas content is moderate, has no adverse effect on the elastic modulus of concrete, frost resistance and durability;
6, can reduce the heat of hydration of cement early, and is conducive to mass concrete construction in summer;
7, excellent adaptability, cement and admixture compatibility, temperature adaptability, and different varieties of cement and admixture has good compatibility, solve the water reducer and the use of other types of cementitious material phase poor compatibility issues;
8, low shrinkage, can significantly reduce concrete shrinkage, freeze-thaw resistance and anti-carbonation is better than ordinary concrete; significantly increase the volume of concrete stability and long-term durability;
9, low alkali content, alkali content ≤0.2%, can effectively prevent the occurrence of alkali aggregate reaction
10, good stability, long-term storage without stratification, precipitation phenomena occur, no crystallization at low temperatures; 11, green products, does not contain formaldehyde, environmental friendly products;
12, good economic returns, cost of project is lower than with other types of products, under the same conditions of strength can save 15-25% of cement.