Index		JN-40	JN-42Y
Refractoriness SK		34	34
Apparent porosity %		≤24	≤24
Bulk density Mpa		≥24.5	≥24.5
Refractoriness under load 0.2MpaoC		≥1350	≥1350
Permanent linear change 1350oC×2hrs %		≤0.5	≤0.5
Resistance thermal shock1100oCwater cooling times			≥10
Chemical Composition	Al2O3 %	≥40	≥42
	Fe2O3 %

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Company Information

Company profile:ZIBO HITECH MATERIAL CO., LTD is the specialized manufacturer and supplier of refractory in China, Our products mainly include refractory bricks, refractory castable, refractory precast shape, insulating brick etc. For refractory castable and precast shape they are very popular in the Europe, North American area.

Type:We can supply High Alumina Bricks, Fireclay Bricks, Low Porosity Fireclay Bricks, Mullite Bricks, Corundum Bricks, AZS Bricks, Magnesite Bricks, Zircon Bricks,insulating Bricks etc.

Application: Andalusite bricks are mainly used in the cooling wall of blast furnace, chemical and ceramic industry, the door of coke oven, or as the lining and checker of hot blast furnaces.