Light weight corundum mullite bricks,corundum mullite bricks,mullite corundum brick

Product Overview

Description

Light weight corundum mullite bricks,corundum mullite bricks,mullite corundum brick

Characteristics:

1. Low thermal conductivity

2. High strength and resistance to corrosion

3. Low heat capacity

4. Low content of impurities

5. High insulation

6. Excellent thermal shock resistance

7. Low density 

Physical and chemical index:

Item/Type		JM-23	JM -26	JM -28	JM -30	JM -32
Classification temperature, Reference using temperature (oC) ≥		1260	1430	1540	1650	1760
Bulk density (g/cm3)		0.8	0.9	0.9	1.0	1.25
Crushing strength (Mpa) ≥		1.3	1.6	2.1	16	16
Modulus of rupture (Mpa) ≥		0.9	1.4	1.6	2.1	2.1
Permanent linear change (oCX24h)% ≤		1350°C×4h 0.5	1400°C×24h 0.4	1510°C×24h 0.5	1620°C×24h 0.9	1730°C×24h 0.9
Thermal conductivity (W/m.k) ≤	800oC	0.18	0.31	0.32	0.44	0.50
	1000oC	0.2	0.34	0.35	0.45	0.52
	1200oC	-	0.40	0.41	0.47	0.56
Chemical Analysis (%)	Al2O3 ≥	37	58	67	73	77
	Fe2O3 ≤	1.0	0.8	0.8	0.6	0.4

Application:

Light Weight Corundum Mullite Insulation Brick can be widely used for lining or insulation layers of various industrial furnaces and kilns in metallurgical industry, machine building industry, ceramic industry, chemical industry.