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Mullite Bricks

Mullite Bricks

Apparent Porosity :≤17 %

Bulk Density:≥2.55 g/cm3

Cold Crushing Strength:≥60 Mpa

0.2Mpa Refractoriness Under Load T0.6 ℃ :≥1580

Permanent Linear Change On Reheating (%)1500℃X2h:0~+0.4

Thermal Shock Resistances 100℃ water cycles:≥18



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Overview

 Description:
Mullite brick IS characterized by good high temperature resistance and good thermal shock resistance, whick comes into being mullite through calcine with clay, high alumina materials and ceramics.

 

 The main applications are:

1,Sulfuric cracking furnace
2,Fibrous glass furnance.

 

 Specifications:

1,Low permanent linear change on reheating
2,Good Thermal Shock Stability
3,High dense structure

 

 Advantages:

1,High quality;
2,chemical corrosion- resistance

Technical Data

Item MU 60 MU 65 MU 70 MU 75
Chemical composition Al2O3 ≥60 ≥65 ≥70 ≥75
SiO2 ≤35 ≤33 ≤26 ≤24
Fe2O3 ≤1.0 ≤1.0 ≤0.6 ≤0.4
Apparent Porosity% ≤17 ≤17 ≤17 ≤18
Bulk Density g/cm3 ≥2.55 ≥2.55 ≥2.55 ≥2.55
Cold Crushing Strength Mpa ≥60 ≥60 ≥80 ≥80
0.2Mpa Refractoriness Under Load T0.6 ℃ ≥1580 ≥1600 ≥1600 ≥1650
Permanent Linear Change On Reheating (%)1500℃X2h 0~+0.4 0~+0.4 0~+0.4 0~+0.4
Thermal Shock Resistances 100℃ water cycles ≥18 ≥18 ≥18 ≥18
20-1000℃ Thermal Expansich10-6/℃ 0.6 0.6 0.6 0.55
Thermal Conductivity (W/MK) 1000℃ 1.74 1.84 1.95 1.95

Inquiry

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