Rongsheng Mullite Insulation Bricks Manufacturer

The mullite polylight insulation bricks produced by Rongsheng Refractory Materials Factory use industrial Al₂O₃ powder, clay, well-sintered bauxite and kyanite as the main raw materials. A lightweight brick was prepared by adding sawdust (1mm screened) and polystyrene balls (diameter 0.2~0.5mm). Mullite insulation bricks have the characteristics of high-temperature strength, low porosity, and corrosion resistance, and are widely used in high-temperature industrial kiln linings.

Mullite insulation bricks can be divided into lightweight mullite insulation bricks and corundum mullite insulation bricks (also called heavy mullite insulation bricks) according to their density. Mullite insulation bricks are divided into JM23, JM26, JM28, and JM30 according to their grades. Mullite insulation bricks are divided into 1350 mullite insulation bricks, 1450 mullite insulation bricks, 1550 mullite insulation bricks, etc. according to different use temperatures. Moreover, 1550 mullite bricks can be directly exposed to flames and have the characteristics of high-temperature resistance, small thermal conductivity, and significant energy-saving effects.

Advantages of Mullite Insulation Bricks for Ceramic Kilns

1. Due to the low thermal conductivity of mullite insulation bricks, it has a good insulation effect and can make the furnace wall thinner.
2. Mullite insulation bricks have the characteristics of low heat melting and low thermal conductivity, so the lightweight mullite brick series products accumulate very little heat energy, and the energy-saving effect is very obvious in intermittent operation kilns.
3. Low impurity content, with very low content of oxides such as iron and alkali metals. Therefore, the refractoriness is high, and the high aluminum content enables it to maintain good performance under reducing atmosphere.
4. The high-temperature compressive strength of mullite insulation bricks is high, which ensures the strength and stability of masonry.
5. The appearance size of mullite insulation bricks is precise, which can speed up the masonry speed. It reduces the use of refractory mud, ensures the strength and stability of masonry, and thus prolongs the life of the lining.
6. Mullite polylight bricks are easy to process and can be processed into special shapes according to customer needs, thereby reducing the number of bricks and masonry joints.