High Alumina Refractory Brick (Al2O3: 55%)

Detailed Product Description

The picture shows refractory brick for blast furnace, SK36. The package is wooden pallet with shrinkage film, the paper protect angle.

DOUBLE EGRET is the specialized manufacturer and exporter of insulation and refractory material in north of China with more than 10 years' history. The products include refractory brick, refractory casable, insulating brick, ceramic fiber etc. For refractory brick Double Egret primarily exports to UK, AUSTRALIA, ITALY, JAPAN etc.

 

Refractory brick is dense shaped refractory material. With high refractoriness and mechanical behavior under high temperature, refractory brick is the necessary material of high-temperature services, mainly used for industrial furnaces and kilns and thermal equipment.
Refractory brick for blast furnace is mainly used in stack, bosh, bellly and bottom of blast furnace.

 

Tech Data

Item		Fire Clay Brick	High Alumina Brick
		SK34	SK35	SK36	SK37
Al2O3  (%)  ≥		42	48	55	65
Fe2O3 (%)  ≤		1.7	2.0	2.0	2.0
Refractoriness (oC) ≥		1750	1760	1770	1790
Refractoriness under Load, 0.2MPa, (oC)≥		1430	1450	1480	1500
Linear Change(%)	1450oC×2h	0~-0.3	0~-0.2	-	-
	1500oC×2h	-	-	0~-0.2	0~-0.2
Porosity (%)  ≤		16	18	19	19
Cold Crushing Strength(Mpa)≥		49	49	49	58.8