Fire-Clay and High-Alumina Brick Properties

Specs		Fire-Clay		High- Alumina
		INFC-42	INFC-40	INHA-75	INHA-65	INHA-55	INHA-48	INHA-80	INHA-85
AI2O3(%)		> 42	> 40	> 75	> 65	> 55	> 48	> 80	> 85
Temperature (° C)		> 1750	> 1730	> 1790	> 1790	> 1770	> 1750	> 1790	> 1790
Deformation @ Temperatures (KD°C)		> 1400	> 1350	> 1520	> 1500	> 1470	> 1420	> 1530	> 1550
Permanent liner change on reheating (%)	1500° C x 2h	---	---	+0.1 -0.4	+0.1 -0.4	+0.1 -0.4	---	+0.1 -0.4	---
	1450° C x 2h	---	---	---	---	---	+0.1 -0.4	---	---
	1400° C x 2h	+0.1 -0.4	+0.1 -0.5	---	---	---	---	---	---
Apparten Porosity (%)		< 22	< 24	< 23	< 23	< 22	< 22	< 23	< 23
Cold crushing strength (MPa)		< 29.4	< 24.5	< 53.9	< 49.0	< 44.1	< 39.2	< 55	< 55
Application		General Industrial furnance