Sintered mullite brick
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  • Sintered mullite brick

Sintered mullite brick


Product Introduction

Mullite bricks are high alumina refractories with mullite as the main crystalline phase. The general alumina content is between 70% and 80%. Mineral composition in addition to mullite, which contains low alumina also contains a small amount of glass phase and quartz; high alumina also contains a small amount of corundum.

Product Details


Sintered mullite products:

Synthetic sintered mullite brick products: the crystallization of fused mullite is larger than that of sintered mullite, and the thermal shock resistance is better than that of sintered products. Their high temperature performance depends mainly on the alumina content and the uniformity of mullite phase and glass distribution.

Classification: Aluminum products series

Products: M80 M75 M70

Parts of use: the auxiliary bottom and external insulation of the main material channel of the glass kiln, the external wall and crown of the upper part of the heat storage tank, and the external wall insulation of the wall of the clarifier tank.

physical and chemical indicators of sintered mullite products:

Project

Indicators

M80

M75

M70

Main ingredients

Al203(%)

≥ 75-80

≥ 72-75.0

≥70

Fe203(%)

≤ 1.2

≤ 1.2

≤ 2.0

Bulk Density (g/cm3)

≥ 2.7

≥ 2.65

≥ 2.65

Percent Porosity (%)

≤18

≤ 19

≤20

NormalTemperature Compressive Strength (Mpa)

>90

>90

>70

0.2Mpa Load Softening Temperature 0.6 (℃)

≥ 1650

≥ 1650

≥ 1530

0.2Mpa Creep Rate (1400 ℃ * 50h)%

≤ 0.8

≤ 0.8

≤ 0.8

Keywords:

Sintered mullite brick

china Fused Cast re-sintered corundum mullite brick

Kiln Display


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