2020 Hot Sale Corundum Brick, High Alumina Brick, High Density Alumina Refractory Brick

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): 1770< Refractoriness< 2000
• Type: Refractory Material
• Material: Alumina Block
• Transport Package: on Wooden Pallets
• Specification: According to The Requirements
• Origin: China
• Production Capacity: 5000t/Year

Product Description

Corundum Brick

Characteristics:
Corundum products and corundum synthetic products are characterized with excellent thermal shock resistance, corrosion resistance and have super properties in erosion and spalling. They are the first selected super materials for glass furnaces, heating furnaces chemical kilns and metallurgic furnaces.

Applications:
Widely used as linings in decomposing furnaces for petroleum and chemical industry, as well as chemical fertilizer industry. They also used as high temperature kiln linings and furniture's in metallurgical industry.

Specification:

Index  Item	High Pure Corundum Brick DL-98	Common Corundum Brick DL-95	Common Corundum Brick DL-90	Chromium Corundum Brick GDL-85	Mullite Corundum Brick MDL-80
Al2O3%≥	98.5	95	90	85	80
Cr2O3%≥	--	--	--	8	--
SiO2%≤	0.3	3.0	9.0	0.2	18
Fe2O3%≤	0.2	0.3	0.5	0.2	0.5
R2O%≤	0.3	0.6	0.6	0.5	0.4
Bulk Density g/cm^3≥	3.0-3.2	2.9	2.9	3.1	2.75
Compressive Strength at Normal Temperature MPa≥	75	100	100	120	60
Fire Resistant	1790	1790	1790	1790	1790
Soften Point at 0.2 MPa Load 0.2MPa≥	1700	1700	1700	1700	1650
1600×3h≤ Reheating Linear Shrinkages	0.2	0.2	0.2	0.2	0.3
1100ºC≥ Thermal Shock Stability	6	10	10	15	20