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Under the condition that the slump of concrete is basically the same, the admixture of mixing water can be reduced. According to the size of its water-reducing rate, it can be divided into ordinary water-reducing agent, high-efficiency water-reducing agent and high-performance water-reducing agent.
The common description of the performance of Polycarboxylic Superplasticizer is: high water reduction rate, very good adaptability to cement, good workability of concrete, no loss of slump in one hour, etc. In fact, the composition of cementitious materials is complex and changeable. From the perspective of adsorption dispersion mechanism, any admixture can not adapt to all situations.
How much can the water reduction rate of polycarboxylic acid high-performance water reducer reach? First of all, we should know that the water reduction rate of polycarboxylic acid water reducer refers to the percentage of water consumption that can be reduced under the specified dosage, that is, the water reduction rate. For example, it was originally necessary to use 100g of water to make the mortar mix.
Polycarboxylate ether superplasticizer (PCE) has high blending capacity and high water reduction rate (>40%), which can significantly improve the workability, mechanical properties and durability of concrete. It has become high performance or ultra high performance. One of the important components of concrete mix design.
Polycarboxylate Superplasticizer Powder adopts a new synthetic preparation process. The water reduction rate of polycarboxylate polymer powder is as high as more than 40%. It can be used in mortars of various cement gelling formula systems and gypsum gelling formula systems. Polycarboxylate ether superplasticizer can give mortar products excellent The working performance and flow performance can significantly improve the quality of cement-based materials and gypsum-based materials.
In building materials, the use of polycarboxylate superplasticizer monomer can effectively improve the working performance and strength of concrete. However, when using polycarboxylate superplasticizer monomer, we also need to pay attention to some issues to ensure its normal use and effect. Here are some issues to pay attention to:
Polycarboxylate ether water reducing agent is a commonly used concrete admixture used to adjust the fluidity and workability of concrete. The size of its dosage will have an impact on the performance of concrete.
Slow-release monomers, functional monomers, reactive monomers.