Refractory Brick Al2O3: 42%

Detailed Product Description

DOUBLE EGRET is the specialized manufacturer and exporter of insulation and refractory material in north of China with more than 10 years' history. Our brand CCE WOOL is well known in the world, enjoying good maket in Europe, America, Southeast Asia and Mid East.

CCE WOOL refractory brick  is also called fire brick, fireproof brick, clay brick. Refractory brick  is a kind of refractory material with the Al content 30%-70%. The comm size of refractor brick  is 230x114x75/65mm. We mainly export refractory brick to UK, AUSTRALIA, SPAIN, TURKEY, ITALY etc.

APPLICATION:

Glass furnace, gas furnace

Industrial boiler, heating furnaces

Tunnel kiln, rotary kiln, steel plant

refractory brick details  Physical and chemical properties
Item	standard
	SK-32	SK-34	SK-36	SK-37	SK-38
AI2O3(%)	38	42	50	65	70
Fe2O3 (%)	3	2.5	2	2	0.3
Refractoriness (SK)	32	34	36	37	38
Refractoriness under load, 0.2MPa, Ta, (°C)	1300	1350	1450	1550	1580
Porosity (%)	22-26	19-23	20-24	23	18
Bulk density (g/cm³)	2.05	2.1-2.15	2.3-2.4	2.5	2.62
Cold crushing strength (MPa)	25	25	45	45	51
Thermal expansion at 1000°C (%)	0.6	0.6	0.3	0.5-0.7	0.6