輕質(zhì)莫來石磚
Brand Quality | JM23 | JM26 | JM28 | JM30 | ||
分類溫度Classification Temperature (℃) | 1260 | 1430 | 1540 | 1650 | ||
體積密度Bulk Density (g/cm3) | 0.55 | 0.78 | 0.88 | 1.03 | ||
耐壓強度Cold Crushing Strength (Mpa) | 1.2 | 1.6 | 2.1 | 2.5 | ||
抗折強度Modulus of Rupture (Mpa) | 0.9 | 1.4 | 1.6 | 2.1 | ||
重?zé)€變化Reheating Linear Change (%) CT-30℃X 8H | -0.5 | -0.5 | -0.5 | -0.9 | ||
熱膨脹Thermal Expansion1000℃(%) | 0.5 | 0.7 | 0.8 | 0.9 | ||
導(dǎo)熱系數(shù)Thermal conductivity(W/m.k) | | 0.14 | 0.27 | 0.32 | 0.41 | |
| 0.16 | 0.29 | 0.34 | 0.43 | ||
| 0.18 | 0.31 | 0.36 | 0.44 | ||
| 0.20 | 0.33 | 0.38 | 0.45 | ||
Al2O3 (%) | 37 | 58 | 67 | 73 | ||
Fe2O3 (%) | 1.0 | 1.0 | 1.0 | 0.5 | ||
Tolerance | > Corner edge damage: a+b+c< | |||||
Quality Brand | B5 | B6 | B7 |
分類溫度Classification Temperature (℃) | 1330 | 1430 | 1530 |
體積密度Bulk Density (g/cm3) | 0.78 | 0.86 | 0.92 |
耐壓強度Cold Crushing Strength (Mpa) | 2.6 | 3.3 | 3.5 |
抗折強度Modulus of Rupture (Mpa) | 1.7 | 2.0 | 2.0 |
重?zé)€變化Reheating Linear Change (%) CT | -0.53 | -0.54 | -0.52 |
熱膨脹Thermal Expansion1000℃(%) | 0.50 | 0.43 | 0.54 |
導(dǎo)熱系數(shù)Thermal conductivity(W/m.k)350℃ | 0.22 | 0.25 | 0.31 |
Al2O3 (%) | 32 | 36 | 60 |
SiO2 (%) | 63 | 62 | 38 |
Fe2O3 (%) | 1.0 | 1.0 | 1.0 |
Tolerance | > Corner edge damage: a+b+c< |
玻璃窯用耐火磚
項目 | DN15 | DN12 |
AL2O3 % | ≥40 | ≥45 |
Fe2O3 % | ≤2.0 | ≤1.5 |
耐火度 ℃ | ≥1750 | ≥1770 |
顯氣孔率 % | ≤15 | ≤12 |
體積密度g/cm3 | ≥2.2 | ≥2.35 |
常溫耐壓強度Mpa | ≥40 | ≥60 |
重?zé)€變化率%1400℃*2h | | ±0.2 |
荷重軟化溫度 ℃ | ≥1400 | ≥1450 |