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Foam concrete used as lightweight density-reduction filling material

Foam concrete is an excellent electromagnetic shielding material, which can absorb and eliminate electromagnetic waves.…

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Foam concrete used as sound-absorbing and energy-absorbing material

The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…

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Foam concrete used as thermal 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.…

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Construction steps of foam concrete

Before construction, ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be in place.…

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Why does concrete bleed water and how to solve it?

The phenomenon of aggregate sinking and water floating will occur in the process of transportation, vibration and pumping of concrete.…

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How to use various concrete additives?

This article will introduce the use of various concrete additives, like the amount that should be added.…

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Properties and Functions of Retarders and Foaming Agent

The substance that can delay the setting and hardening time of refractory castable is called retarder.…

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Action Mechanism of Common Retarders

Concrete retarders can reduce the solubility of hemihydrate gypsum.…

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What are Concrete Additives?

Concrete additive is a substance added in the process of mixing concrete to improve the performance of concrete, the amount of which is not more than 5% of the quality of cement (except in special cases).…

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Classification of Concrete Additives

Concrete additive is a chemical substance added in the process of mixing concrete, accounting for less than 5% of the quality of cement, which can significantly improve the performance of concrete.…

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Effect of Concrete Additives on Concrete Quality

Concrete is the main raw material of modern construction engineering, and it is welcomed because of its high strength and long service life.…

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How is Foamed Concrete Used in Construction?

Foamed concrete is a highly entrained sand cement with at least 20% air volume in the cured product.…

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The non-ionic surfactants with low foam and strong wettability can remove oil stains, dirt, and other contaminants. It has excellent emulsification and cleaning abilities. It dissolves quickly, is not easily gelled, and is easy dispersed. Alkylphen…

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What is Aluminum Nitride AlN Powder?

US President recently decided to invoke a Cold War-era defense law to encourage domestic Aluminum Nitride powder. Introduction to Aluminum Nitride AlN PowderAluminum nitride is a covalent bond compound. The chemical formula is AIN. It is…

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