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| ET type concrete air entraining agent (air entraining agent) Summary ET type concrete air entraining agent to the Department of organic, inorganic materials at appropriate temperatures by condensation synthesis.ET type concrete air-entraining agent can reduce the surface tension of water in concrete, the concrete mixing process can produce tiny bubbles independent, can effectively improve the performance of concrete mixture (including pump), is conducive to the construction and to improve the casting quality of the concrete.Because of small independent bubbles can block concrete capillary channel, improve the microstructure of concrete, which can effectively improve the durability of concrete (frost resistance, impermeability and corrosion resistance etc.).If the appropriate increase of air-entraining agent to increase the amount of concrete air content, at the same time using lightweight aggregate concrete and other measures, can be made of lightweight concrete. Type ET air entraining agent is widely used in antifreeze concrete, concrete, the sulfate resistance of concrete, concrete and lightweight concrete, can effectively improve the quality of the project, increase the service life of concrete structures, and has significant economic and social benefits. Doped ET type air entraining concrete properties (see table below) Doped ET type air entraining admixture concrete properties
Method of use 1,.volume: ET type concrete air entraining agent to concrete mixture gas content to determine the amount of.The air content of concrete shall be in accordance with the relevant standard and construction standard, content range is generally 3% - 7%.The construction of ET type liquid air entraining agent admixture for cement weight of 0.5 - 1.5%, commonly used in addition to cement weight 1%. 2.air entraining agent solution should be poured into the mixing water, to facilitate the uniform mixing.Concrete mixing time should be extended for 30 seconds ~60 seconds. 3.ET type air entraining agent and other concrete water-reducing agent, retarder, antifreeze agent, early strength agent in common use. 4.ET air-entraining agent in winter storage, should be placed in more than 0 ℃ indoor, to prevent it from freezing. the application of technical advisory services The company is equipped with professional concrete laboratory equipment and experienced technical staff to provide customers with comprehensive technical services, users in ET series admixture, high performance concrete, pumping concrete, concrete technology, the company can provide good technical advisory services. |
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