$High Alumina Bubble Refractory Brick Refractory, Insulating Firebrick Refractory Material$

High Alumina Bubble Refractory Brick Refractory, Insulating Firebrick Refractory Material

Place of Origin:	Zhejiang

Location:	Qingdao, Shandong, China (Mainland)
Business Type:	Manufacturer, Trading Company, Other
Main Products:	Insulation Refractory

Model No.:	Laurel-10-2

High Alumina Bubble Refractory Brick Refractory, Insulating Firebrick Refractory Material

Specifications:

Technical date

Item	LAAB1650	LAAB1700	LAAB1750	LAAB1850
Maximn service temperature,%	1630	1680	1700	1800
AL2O3,% ≥	75	90	96	99
Fe2o3,%	0.5	0.2	0.2	0.15
Bulk density g/cm3	1.2-1.5	1.4-1.7	1.4-1.7	1.4-1.7
Cold crushing strength Mpa	8-10	≥20	≥20	≥19
Modulus of rupture strength Mpa	4.5	5.8	5.8
Linear change after heating≤	0.38 (1600×8h)	-0.2 (1650×8h)	-0.2 (1680×8h)	-----
Thermal expansion coefficient ≤	0.56 (1000)	0.67 (1000)	0.67 (1000)	8.6 (1300)
Thermal conductivity(300±25)	0.8	1.0	1.0	1.0

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