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Comprehensive refractory service supplier for high-temperature industries

Thermal Insulation

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Mullite Insulation Brick


Mullite insulation bricks are mainly used in boiler wall backing, insulation layers, equipment shell linings and other parts in the power industry, featuring lightweight thermal insulation, low heat storage and reduced energy consumption during startup and shutdown.

High-Alumina Coating /Aluminosilicate Coating


High-alumina and aluminosilicate coatings are mainly used for boiler inner wall spraying, furnace lining repair and flue protection in the power industry, featuring easy construction, strong adhesion, excellent thermal insulation and suitability for frequent startup and shutdown operations.

Lightweight Insulating Castable


Lightweight Insulating Castable from Henan Ruitai (a subsidiary of China National Building Materials) is designed for the thermal insulation layers of industrial furnaces and kilns. It features excellent thermal insulation, lightweight properties, and easy construction, with a full range of RT-QJ series models available. It is a specialized insulating refractory material for energy conservation and consumption reduction.