mullite insulating brick

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.

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

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

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

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

Tags: mullite insulation brick, mullite insulating brick, mullite light weight insulation brick,

Free Inquiry

Unshaped Refractory

Refractory Bricks

Graphite Electrode

Industrial Refractory

Steel Metallurgical Materials

Product Knowledge

Faq

mullite insulating brick

Inquiry