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Ceramic intalox berl saddles | ||||||||||
Model | Size | Specific surface area | Porosity rate | Bulk density | Stacked number | |||||
0.5” | 21x21x1.8 | 430/131 | 68 | 741 | 355820 | |||||
5/8” | 24x24x2.0 | 378/115 | 68.5 | 723 | 232980 | |||||
3/4” | 33x18x2.8 | 330/100 | 69 | 720 | 111548 | |||||
1” | 38x22x3.4 | 258/78 | 69.5 | 700 | 62128 | |||||
1.5” | 60x30x4.0 | 197/60 | 73 | 635 | 23368 | |||||
2” | 80x40x5.0 | 120/36 | 74 | 600 | 8860 | |||||
3” | 114x57x8.0 | 92/28 | 75 | 582 | 3000 | |||||
4” | 136.5x72.5x11 | 78/24 | 76 | 550 | 1606 |
Name | Alumina | Dense Cordierite | Cordierite | Dense Alumina | Mullite | Corundum mullite | ||
Density(g/cm3) | 2.0~2.3 | 2.1 ~2.5 | 1.5 ~1.9 | 2.4 ~2.7 | 2.0 ~2.5 | 2.3 ~2.7 | ||
Coefficient of heat expansion (20~800℃) | ≤5 | ≤3.5 | ≤3.0 | ≤5 | ≤5 | ≤6 | ||
Specific Heat (J/Kg.K) (20~1000℃) | 900-1150 | 900 ~1100 | 900~1150 | 1000~1150 | 1000~1150 | 1100 ~1300 | ||
Thermal Conductivity (W/m.k) (20~1000℃) | 1.5~2.0 | 1.5~2.5 | 1.2~1.8 | 1.5~2.5 | 1.5~2.0 | 1.5~2.5 | ||
Impact Thermal Resistance(℃/min) | ≥300 | ≥350 | ≥350 | ≥300 | ≥350 | ≥300 | ||
Max. Working Tem.(℃) | 1350 | 1320 | 1320 | 1350 | 1450 | 1550 | ||
water absorption(%) | ≤20 | ≤1 | 15~25 | ≤2 | 15~25 | 15 ~25 | ||
compressive strength (MPa) | A axis | ≥32 | ≥32 | ≥29 | ≥34 | ≥28 | ≥39 | |
B axis | ≥8 | ≥8 | ≥6 | ≥8 | ≥8 | ≥10 | ||
chemical composition (%) | Al2O3 | 55 ~65 | 25 ~38 | 28 ~38 | 55 ~65 | 60~70 | 70 ~80 | |
SiO2 | 25~35 | 50 ~60 | 45 ~55 | 25 ~35 | 25 ~35 | 15 ~25 | ||
MgO | 1~3 | 5 ~10 | 11 ~14 | 3~5 | 0 ~1 | 0 ~2 | ||
others | <5 | <5 | <5 | <5 | <5 | <5 |