Rongsheng Mullite Insulating Bricks Manufacturer

Articles

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.

Mullite Insulating 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℃ X 2h: 0～+0.4
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

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