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However, indoor air pollution is quite strong hidden, many people in the room heart worry, not know how to relieve the worry.For this, the reporter in information gathering and investigation of a wide range of writing this article after the interview, pulling out interior.
Three kinds of initiatives.In construction there are mainly two kinds of concrete admixture used, One is in the process of construction in winter The addition of concrete anti-freezing admixture in the concrete wall, the other is to improve the speed of solidification of concrete, the use of high-alkali concrete expansion agent and early strength agent.
The use of concrete admixture is helpful to improve the strength and construction speed of concrete.But these admixtures containing a large amount of ammonia-type substances, In the wall with the change of environmental factors such as temperature and humidity will be reduced to the slow release of ammonia from the wall.
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