low porosity dense brick Al2O3 content is 30%-48%, SiO2 content is 50%-65%, etc. Its refractoriness is 1580-1750ºC, refractoriness under load is 1250-1450ºC. The dense Dense refractory bricks are used in most industrial plants with high process temperatures with the special achievable properties.
CCEFIRE ® LPD Series Low Porosity Dense Brick |
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Item |
LPD-40 |
LPD-35 |
LPD34 |
LPD33 |
LPD32 |
LPD34S |
LPD33S |
LPD32S |
LPD34S-1 |
|
Al2O3 (%) |
≥40 |
≥45 |
≥42 |
≥40 |
≥35 |
≥40 |
≥38 |
≥33 |
≥42 |
|
Fe2O3 (%) |
≤2.0 |
≤1.3 |
≤1.3 |
≤1.5 |
≤1.6 |
≤1.8 |
≤1.8 |
≤1.8 |
≤1.6 |
|
Refractoriness (℃) |
≥1730 |
≥1770 |
≥1750 |
≥1730 |
≥1710 |
≥1750 |
≥1730 |
≥1710 |
≥1750 |
|
Apparent porosity (%) |
≤15 |
≤14 |
≤16 |
≤16 |
≤16 |
≤19 |
≤19 |
≤19 |
≤18 |
|
Normal temperature compressive strength (Mpa) |
≥49 |
≥70 |
≥60 |
≥50 |
≥45 |
≥40 |
≥35 |
≥35 |
≥45 |
|
Linear Change Arter Heating (%) |
1500℃×2h |
|
±0.2 |
±0.2 |
|
|
|
|
|
|
1350℃×2h |
|
|
|
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
|
Refractoriness Under Load (T2 ℃) |
≥1480 |
≥1500 |
≥1480 |
≥1450 |
≥1400 |
≥1400 |
≥1370 |
≥1350 |
≥1400 |