Compatibility between polycarboxylic acid slump protection agent and various raw materials of concrete

When the same polycarboxylic acid sloughing agent is used but different cement is used, it is possible that this polycarboxylic acid sloughing agent has good compatibility with one kind of cement but poor compatibility with another cement, and when u…

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Sodium silicate, is an inorganic, use of sodium silicate in concrete is a soluble inorganic silicate with a wide range of uses.

Sodium silicate, commonly known as Paohua alkali, is an inorganic substance with a chemical formula of Na2O·nSiO2…

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Uses and usage of various concrete additives

Dry and large flow concrete is used to solve the problems of unreasonable gradation of sand and stone, excessive stone powder, machine-made sand, bottom glue, low-grade large flow concrete, and poor waterline and workability after pumping and coagula…

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What is a water-based defoamer?

Water-based defoamer is mainly used for foam treatment in water-based systems such as water-based coatings and water-based inks. Easy to operate, with excellent defoaming and anti-foaming performance.…

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The function of Powder Defoamer

Powder defoamer is a solid powder defoamer. Powder defoamer is often used in the building materials industry, which can more quickly eliminate the foam problems caused by technological problems in the construction industry.…

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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.…

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What should be paid attention to when using concrete admixtures?

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.…

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Waterborne defoamer for concrete

Polycarboxylate superplasticizer is often used in concrete, which can reduce the water consumption of concrete while maintaining the same fluidity, thus improving the strength and durability of concrete.…

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How to avoid mortar quality problems caused by excessive hydration reaction caused by high temperature?

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…

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Air bubbles in concrete: Why and How to deal with it?

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.…

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What should be paid attention to when using polycarboxylate superplasticizer for C30 and below concrete?

Polycarboxylate superplasticizer has more advantages than traditional naphthalene and aliphatic superplasticizer in mixing high strength grade concrete, but its advantages of high water reduction cannot be brought into full play when the strength is…

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Where are concrete admixtures used?

At first, concrete additives were used only to save cement. With the development of construction technology, admixture has become the main measure to improve the performance of concrete.…

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