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polycarboxylate

Plasticizer In Concrete

Plasticizer is one kind of concrete water-reducing agent building materials, chemical additives, widely used at present, and water-reducing agent used in concrete. The chemical name is: sodium methylene dimethyl naphthalene sulfonate polymer.

Classification of concrete water reducer

According to the naming and definition of admixtures (GB8075—87), admixtures can be divided into 16 names, each of which is defined as follows:

Ordinary water reducing agent: an admixture that can reduce the amount of water used for mixing when the concrete slump is basically the same;

Early strength agent: an admixture that accelerates the early strength development of concrete;

Retarder: an admixture that prolongs the setting time of concrete;

Air-entraining agent: an admixture that can introduce a large number of uniformly distributed, stable and closed tiny bubbles in the process of mixing concrete;

High-efficiency water reducing agent: an admixture that can greatly reduce the water consumption of the mixture under basically the same conditions of concrete collapse;

Early strength water reducing agent: a water reducing agent with both early strength and water reducing functions;

Setting retarding water reducing agent: a water reducing agent with both retarding and water reducing functions;

Air-entraining and water-reducing agent: an admixture with both air-entraining and water-reducing functions;

Waterproofing agent: an admixture that can reduce the water permeability of concrete under hydrostatic pressure;

Rust inhibitor: an additive that can inhibit or reduce the corrosion of steel bars or other embedded metals in concrete;

Air-entraining agent: an admixture that emits gas due to a chemical reaction during the preparation of concrete, which can make concrete form a large number of pores;

Expansion agent: an admixture that can expand the volume of concrete to a certain extent;

Antifreeze: an admixture that can harden concrete at negative temperature and achieve sufficient antifreeze strength within a specified time;

Coloring agent: an admixture capable of preparing concrete with stable color;

Accelerating agent: an admixture that can quickly harden concrete;

Pumping agent: an admixture that can improve the pumping performance of concrete mixtures

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