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SK36 SK38 SK40 High Alumina Refractory Bricks Refractory Concrete Bricks Glass

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SK36 SK38 SK40 High Alumina Refractory Bricks Refractory Concrete Bricks Glass

$SK36 SK38 SK40 High Alumina Refractory Bricks Refractory Concrete Bricks Glass$

Country/Region	china
City & Province	zhengzhou henan
Categories	Refractory

Product Details

Product Description of Rongsheng SK36 SK38 SK40 High Alumina Refractory Bricks for Cement, Glass, Steel Smelting

High alumina brick is a kind of neutral refractory with alumina content above 48%. It is formed by shaping and calcining bauxite or other raw materials with high alumina content. High thermal stability and fire resistance above 1770 ℃.

Product Features of Rongsheng SK36 SK38 SK40 High Alumina Refractory Bricks for Cement, Glass, Steel Smelting

1. High refractoriness;

2. High temperature strength;

3. High thermal stability;

4. Neutral refractory;

5. Good resistance to acid and basic slag corrosion;

6. High refractoriness under load;

7. High temperature creep resistance;

8. Low apparent porosity;

Application of sk36 sk38 sk40 high alumina refractory fire brick

As a basic material in the field of high-temperature technology, high alumina bricks are widely used in cement, glass building materials, steel smelting, petrochemical and other industries. High temperature industrial furnaces for high alumina bricks include blast furnace, hot blast furnace, electric furnace, blast furnace, reverberatory furnace and rotary kiln lining. In addition, high alumina bricks can also be processed into open hearth regenerative grid bricks, socket bricks for pouring system, nozzle bricks, etc. according to the requirements of industrial furnaces.

Product Specification of sk36 sk38 sk40 high alumina brick for sale

High Alumina Refractory Brick Physical and Chemical Index:
Item		Properties
Item		RS-80	RS-75	RS-65	RS-55	RS-48
Al2O3 (%)		80	≥75	≥65	≥55	≥48
Refractoriness (°C )		≥1790	≥1790	≥1790	≥1770	≥1750
Bulk density (g/cm3)		2.65	2.5	2.45	2.4	2.3
Softening temperature under load (°C )		1530	≥1520	≥1500	≥1470	≥1420
Linear changes on reheating (%)	1500°CX2H	0.1	0.1	0.1	0.1
	1500°CX2H	-0.4	-0.4	-0.4	-0.4
	1450°CX2H					0.1
	1450°CX2H					-0.4
Apparent porosity (%)		22	≤23	≤23	≤22	≤22
Cold crushing strength (Mpa)		55	≥50	≥45	≥40	≥35
Application		steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace.