main material:Al2O3 content 45-85% propety:strong resist compression,heat resistance application: widely used in steel mill.

Specifications:

Al2O3	%	≥65
Fe2O3	%	≤1.8
bulk desity	gr/cm3	≥2.5
apparent	%	≤20
C.C.S.	kg/cm2	≥600
refracory	°C	≥1750

  

heat resistance high alumina brick in furance