Foshan Huanya New Material Co., Ltd.

Industry Knowledge of Lightweight Thermal Insulation Refractory Castable

Nov 27, 2023

Lightweight thermal insulation refractory castable is a special type of refractory material that serves as an insulating layer in high-temperature equipment. This material is commonly used in industries such as metallurgy, petroleum, and chemical engineering.

 

There are several levels of classification for lightweight thermal insulation refractory castable that are based on their density, thermal conductivity, and compressive strength. The levels range from low-density to ultra-low density. The most common classes are Class A, Class B, and Class C.

The technical properties of lightweight thermal insulation refractory castable are critical in ensuring that the material functions effectively. The material should have low thermal conductivity, high thermal insulation, and resistivity to thermal shock. The compressive strength of the material should also be high enough to allow it to withstand high-pressure and thermal stresses. These parameters determine the suitability of the material for different applications.

The production process for lightweight thermal insulation refractory castable includes mixing raw materials such as lightweight aggregates, binders, and other additives. These materials are carefully mixed in precise proportions to develop a homogenous mixture. The wet-mix is then poured into a mold and allowed to cure. Once the casting is dry, it is fired in a furnace at high temperatures to develop its final strength and properties.

Lightweight thermal insulation refractory castable is an essential material in high-temperature equipment that requires heat insulation. Its various classes allow it to be used in different environments while ensuring that it meets the requirements of each specific application. The production process must be precise to attain the desired properties, and the resulting castable should be carefully installed and stored. With proper use and maintenance, these materials can significantly improve the efficiency and longevity of industrial equipment.

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