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What is a concrete water reducer?

wallpapers News 2021-05-24
Water reducer is a concrete admixture that can reduce the water consumption for mixing while maintaining the slump of concrete basically unchanged. Most of them are anionic surfactants, such as lignosulfonate, naphthalenesulfonate formaldehyde polymer and so on. After adding the concrete mixture, it can disperse the cement particles, which can improve its workability, reduce the unit water consumption, and improve the fluidity of the concrete mixture; or reduce the unit cement consumption and save cement.
Introduction of melamine water reducer
Melamine water-reducing agent is a water-soluble anionic high polymer dielectric. It has a strong adsorption and dispersion effect on cement. It is one of the existing concrete water-reducing agents with better comprehensive indicators. The main characteristics of melamine water reducer are: white color, high water reduction rate, non-air-entraining type, low chloride ion content, no corrosion to steel bars, and good adaptability to various cements. After using SM, the early strength and impermeability of concrete are obviously increased, the workability and water retention are better, and the steam curing adaptability is better. This product meets the GB8076-2008 national standard superplasticizer index.

Scope of application of melamine water reducer
1. High-strength mortar, gypsum products, self-leveling floors, joint fillers, grouting materials, etc.;
2. High-strength concrete, high-fluidity concrete, high-durability concrete, aluminate cement refractory concrete, low-cement refractory castable, steam-cured concrete, etc.;
3. Melamine water reducing agent can be used as brightener to produce colored floor tiles and prefabricated components;

Application of melamine superplasticizer powder
1. Especially suitable for the preparation of dry-mixed cement mortar, high-strength shrinkage, high-strength gypsum and gypsum products.
2. It is suitable for preparing commercial concrete, pumping concrete, high-strength high-performance concrete, vibration-free self-compacting concrete and high-strength mortar.
3. It is suitable for preparing refractory concrete, steam curing concrete, smooth concrete, decorative concrete and colored concrete.
4. Melamine superplasticizer has small shrinkage rate and good hemostatic effect. It is widely used as a brightener for making floor tiles.
5. It can be used as the main component of waterproof material to improve the impermeability of concrete or mortar. It can also be used as a component of concrete together with UEA expansion agent to prepare structural self-waterproof concrete.
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