Rongsheng Mullite Insulating Bricks Manufacturer

Mullite Brick is characterized by good high-temperature resistance and good thermal shock resistance, which comes into being mullite through calcine with clay, high alumina materials, and ceramics.

Rongsheng Mullite Bricks Manufacturer
Rongsheng Mullite Bricks Manufacturer

Mullite Insulating Bricks

  1. Apparent Porosity: ≤17 %
  2. Bulk Density: ≥2.55 g/cm3
  3. Cold Crushing Strength: ≥60 Mpa
  4. 0.2Mpa Refractoriness Under Load T0.6 ℃: ≥1580
  5. Permanent Linear Change On Reheating (%) 1500℃ X 2h: 0~+0.4
  6. Thermal Shock Resistances 100℃ water cycles: ≥18

Advantages: 1, High quality; 2, chemical corrosion-resistance.

The main applications are: 1, Sulfuric cracking furnace; 2, Fibrous glass furnace.

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

Rongsheng High-Quality Mullite Insulating Bricks
Rongsheng High-Quality Mullite Insulating Bricks
Mullite Insulating Bricks Prices in Rongsheng
Mullite Insulating Bricks Prices in Rongsheng

Technical Data & Physical and chemical index

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

 

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