checker brick

High Aluminum checker brick include high refractoriness, large volume density, high intensity and high refractoriness under load. They also have good creeping in high-temperature, excellent regenerative capability.

Index	clay checke	high alumina checker	low creep checker
Al2O3   %	≥42	≥65	≥75
Fe2O3      %	≤2.2	≤2.0	≤1.9
Refractoriness	≥1790	≥1790	≥1790
% Apparent Porosity	≤24	≤22	≤20
g/cm3 Bulk density	≥2.25	≥2.35	≥2.45
MPa Cold Crushing Strength	≥40	≥45	≥55
Refractoriness under load (0.2MPa) ℃	≥1400	≥1490	≥1500
linear change rate on reheating	（1350℃ x2h） 0.2～-0.2	（1450℃ x2h） 0.2～-0.2	（1450℃ x3h） 0.1～-0.1

 
 
 
 
 
 
 
 
 
 
 
 






























Product Images



Our Service


Our Company