vProduced by superfine alumina bauxite and special additive.
vIt has high bulk density, low porosity and low creep under load at high temperature.
v-Application: It can be used for the lining of bake oven, used as flue wall bricks.
|
ITEM |
Unit |
CM-AL-1 |
Test method |
|
AI2O3 |
% |
≥58 |
GB 6900 |
|
Fe2O3 |
% |
≤1.6 |
GB 6900 |
|
K2O+Na2O |
% |
≤0.8 |
GB 6900 |
|
CaO+MgO |
% |
≤0.7 |
GB 6900 |
|
Apparent porosity |
% |
≤19 |
GB/T2997-2000 (ISO5017-1988) |
|
Bulk density |
g/cm3 |
≥2.45 |
GB/T2997-2000 (ISO5017-1988) |
|
Cold crushing strength |
MPa |
≥50 |
GB/T5072-2008 (ISO10059-1-1992) |
|
Folding strength at 13500C*0.5hours |
Mpa |
≥6 |
GB/T3002-2004 (ISO5013-1985) |
|
Refractoriness under load 2Kg5/cm3 |
0C |
≥1550 |
GB/T5989-1998 (ISO1893-2005) |