High Alumina Refractory Brick (SK36)

high alumina refractory brick With ISO9000 Certificate Alumina:55-75% comm size:230x114x65/75mm Refractoriness:1770-1790C

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 material. With high and mechanical behavior under high temperature, brick is the necessary material of high-temperature services, mainly used for s and s and thermal equipment.

Refractory brick has wide applications, mainly used in metallurgy, construction(cement and glass), petroleum, chemical industry, electric power and machine building.

Tech Data:

Item	Fire		High Alumina Brick
	SK32	SK34	SK35	SK36	SK37	SK38
Al2O3  (%)  ≥	38	42	48	55	65	75
Refractoriness (C) ≥	1670	1730	1750	1770	1790	1790
Refractoriness under Load, C,0.2MPa ≥	1250	1300	1420	1470	1500	1520
Linear Change(%)×2h	1350C	1350C	1450C	1500C	1500C	1500C
	-0.5~0	-0.5~0	-0.4~+0.1	-0.4~+0.1	-0.4~+0.1	-0.4~+0.1
Porosity %≤	26	26	22	22	23	23
Cold Crushing Strength, MPa≥	15	20	39.2	44.1	49	53.9