What should be paid attention to when using concrete admixtures(2)?
In the process of concrete mixing, the mixing method of admixture has a great influence on the effect of admixture.…
In the process of concrete mixing, the mixing method of admixture has a great influence on the effect of admixture.…
Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…
In the summer when the temperature is high and the air humidity is low, due to the accelerated hydration reaction at high temperature, the moisture is easy to evaporate, the mortar fluidity loss is fast and the setting time is shortened, the construc…
The bubbles in concrete above 100μm are called large harmful bubbles, 100 ~ 50μm are called harmful bubbles, 50 ~ 20μm are called low harmful bubbles or harmless bubbles, and those below 20μm are called beneficial bubbles.…
Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…
Foam concrete natural maintenance can be divided into two types: cover-up sprinkler maintenance and plastic film maintenance.…
Lightweight foamed concrete, also known as foamed cement, is a lightweight porous concrete product made from foaming agent aqueous solution into foam, and then adding foam to the slurry made of cement-based cementitious materials, aggregates, admixtu…
Cement is the main raw material of foam concrete. Because foamed concrete is mostly cured at room temperature and mixed with a large amount of foam, these two points determine its high cement proportion.…
Foam concrete is also known as clc foam concrete. It is a lightweight thermal insulation material made of cement, lime and fly ash as main materials and mixed ingredients such as foaming agent.…
Foam concrete is an excellent electromagnetic shielding material, which can absorb and eliminate electromagnetic waves.…
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
Foam concrete contains a large number of closed pores, the air in the pores is a good adiabatic medium, which can cut off the heat exchange.…
According to data statistics in September, black commodity prices as a whole show the first inhibition followed by upward trend, September 21 the Federal Reserve interest rate policy landing is an important time node. On the one hand, due to the impa…
Sodium hexametaphosphate (NaPO3) is an organic substance that has molecular formula 6.Sodium Hexametaphosphate, a white powder crystal or a colorless transparent sheet or block of glass solid is also known as Sodium Hexametaphosphate. Insoluble in wa…
Recently, the Russian President hosted a meeting with oil and gas industry representatives. He said that the refusal of some Western countries to cooperate normally with Russia and deny some Russian energy resources has hit millions of European peop…