Phosphate acid impregnated clay bricks, high-aluminum bricks
Item |
Unit |
Phosphate acid impregnated clay bricks |
Phosphate acid impregnated high-aluminum bricks |
|
GLN-42 |
LGL-65 |
LGL-55 |
||
Al2O3 |
% |
≥42 |
≥65 |
≥55 |
P |
% |
≥1.4 |
≥1.4 |
≥1.4 |
Fe2O3 |
% |
≤1.7 |
≤2.0 |
≤2.0 |
Fire resistance |
℃ |
≥1750 |
≥1790 |
≥1770 |
Apparent porosity |
% |
≤14 |
≤15 |
≤16 |
Normal temperature compressive strength |
Mpa |
≥60 |
≥65 |
≥65 |
Softening onset temperature at 0.2 MPa load |
℃ |
≥1450 |
≥1500 |
≥1480 |
Reburning line change rate |
% |
1450℃×3h-0.2~0 |
1500℃×3h |
1450℃×3h |
Alkaline resistance (rate of strength loss) |
% |
≤15 |
≤15 |
≤15 |
Relevant case
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