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Mullite brick

1.Mullite Brick Description   Mullite bricks are sintered from mullite raw materials, and have good low thermal expansion, low creep, low thermal conductivity and good chemical stability. There are two types of mullite bricks. One is sintered mullite bricks, which are made by pressing natural mulli..

Description

1.Mullite Brick Description  

Mullite bricks are sintered from mullite raw materials, and have good low thermal expansion, low creep, low thermal conductivity and good chemical stability. There are two types of mullite bricks. One is sintered mullite bricks, which are made by pressing natural mullite as the main raw material and adding additives. The other is re-sintered mullite brick, which is made by sintering synthetic mullite as the main raw material and additives.

2.Mullite Brick Feature

(1) High refractoriness

(2) High load softening temperature

(3) Low temperature creep rate

(4) Good thermal shock resistance

(5) Acid and slag resistance

(6) Good corrosion resistance

3.Technical Parameter

Item75Mullite  Brick70 Mullite BrickMullite-corundum Brick
Al2O3 %≥75≥70≥80
SiO2 %≤23≤25≤18
Fe2O3 %≤0.4≤0.4≤0.3
Bulk Density g/cm3≥2.7≥2.6≥2.8
Apparent porosity %≤18≤18≤18
Cold compressive strength MPa≥100≥100≥100
(0.2Mpa,0.6%)Load softening began to temperature °C≥1680≥1680≥1700

 

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office address

No.92 Jianshe West Road, Zhongyuan District, Zhengzhou, Henan,China.

Factory address

Liguo Village Refractory Industrial Park, Xinmi City, Zhengzhou City, Henan Province,China