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Anshan Yuhang Technology Engineering Co., Ltd

Contact: Mr. Li

Phone number: +86-139-4128-8112

Website: www.asyhkj.cn

Website:en.asyhkj.cn

Company address: Xingyangqi Village, Dadaowan Town, Qianshan District, Anshan City, Liaoning Province


Characteristics and common types of light-weight refractory bricks

2019-05-22
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1. Characteristics of Lightweight Refractory Brick


1. Light capacity


2. Insulation and heat insulation


3. Sound absorption and sound insulation


4. Impermeability


5. Environmental protection


6. Earthquake resistance


7. Durability


8. Workability


9. Fire resistance


2. Common light-weight refractory brick type 0mm thick block resistant


1. Quality clay insulating brick


Light clay insulation bricks are heat-resistant refractory products made of refractory clay as the main raw material with an AI2O3 content of 30% to 48%. The production process adopts burn-in addition method and foam method. Use refractory clay, float beads, refractory clay clinker as raw materials. A product with a bulk density of 0, 3 to 1, and 5 g/cm3 is prepared by blending the binding agent and sawdust, and mixing, shaping, drying, and firing.


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2. Silica thermal insulation brick


Lightweight silicon heat insulation bricks are heat-resistant refractory products with SIO2 content not less than 91% made of silica as the main raw material. The volume density of the light-weight silicon insulating bricks is 0, 9 to 1, 1g/cm3. The thermal conductivity is only half of that of ordinary silicon bricks, and it has good thermal shock resistance. Its load softening start temperature can reach 1600℃. Far higher than clay insulation bricks. Therefore, the use temperature of silicon thermal insulation brick can reach 1550℃.


3. Alumina insulation brick


Lightweight alumina insulation bricks are thermal insulation refractory products made of fused corundum, sintered alumina and industrial alumina as the main raw materials. The production process of light refractory brick factory has two methods: foam method and burn-out additive method.


4. Mullite insulation brick


Lightweight mullite insulation bricks are heat-resistant refractory products made of mullite as the main raw material. Mullite insulation bricks have high temperature resistance, high strength, low thermal conductivity, direct contact with flames, and are suitable for lining various industrial kilns.


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