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

Brazil, the world's largest sugar producer, has recently switched to ethanol concrete foaming agent price is predicted to go higher in the future. In the summer when the temperature is high and the air humidity is low, due to the accelera…

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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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Thermal insulating refractories

Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…

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How to maintain foam concrete?

Foam concrete natural maintenance can be divided into two types: cover-up sprinkler maintenance and plastic film maintenance.…

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Advantages of clc lightweight foam concrete

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…

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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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