High Alumina Refractory Brick for Industrial Furnace

2017-03-27 09:04:08

Description:
high alumina brick

Feature:
1. bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength

Product specification:
standard form, normal standard, shaped and special shaped bricks.Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.

Applications:

1. Steel furnaces
2. Iron making furnaces

3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln

Competitive Advantage:
1、Competitive Price. Make the products competitive in your market.
2、Abundant Experience. Prevent cracks and twist in bricks.
3、Different Moulds. Save mould fees for you.
4、Strict Quality Control. Meet clients’ quality requirement.
5、Large stocks. Guarantee prompt delivery.
6、Professional Packing. Avoid damage and secure the goods in transportation

Specifications:

High aluminum refractory bricks physiochemical index

Item		Properties
		SK40	SK38	SK37	SK36	SK34
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		1530	≥1520	≥1500	≥1470	≥1420
Permanent linear change,%	1500°CX2H	+0.1 -0.4	+0.1 -0.4	+0.1 -0.4	+0.1 -0.4
	1450°CX2H					+0.1 -0.4
Apparent porosity,%		22	≤23	≤23	≤22	≤22
Cold Crushing strength Mpa		55	≥50	≥45	≥40	≥35
Application		All industrial furnace

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