refractory brick ISO9000 Certificate (SK38)

Detailed Product Description

The above picture shows high alumina brick SK38 with Al2O3 75% in wooden pallet. The size is 230x114x65mm.

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

Tech Data

Item	Fireclay brick		High Alumina Brick
	SK32	SK34	SK35	SK36	SK37	SK38
Al2O3  (%)  ≥	38	42	48	55	65	75
Refractoriness (oC) ≥	1670	1730	1750	1770	1790	1790
Refractoriness under Load, oC,0.2MPa ≥	1250	1300	1420	1470	1500	1520
Linear Change(%),×2h	1350	1350	1450	1500	1500	1500
	-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