Henan Hongtai Kiln Refractory Co.,Ltd. |
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Item | Properties | ||||||||||
JM23 | JM26 | JM28 | JM30 | JM32 | |||||||
Al₂o₃ % | 37 | 54 | 64 | 72 | 77 | ||||||
Fe₂o₃ % | 1.0 | 0.9 | 0.8 | 0.7 | 0.5 | ||||||
Thermal Conductivity (w/m*k) | 400℃ | 0.14 | 0.9 | 0.32 | 0.41 | 0.49 | |||||
600℃ | 0.16 | 0.27 | 0.34 | 0.43 | 0.5 | ||||||
800℃ | 0.18 | 0.29 | 0.36 | 0.44 | 0.51 | ||||||
1000℃ | 0.2 | 0.31 | 0.38 | 0.45 | 0.53 | ||||||
Classification temperature(℃) | 1260 | 1430 | 1540 | 1650 | 1760 | ||||||
Thermal Expansion 1000℃(%) | 0.5 | 0.7 | 0.8 | 0.9 | 1.1 | ||||||
Bulk Density(g/cm³) | 0.55-0.62 | 0.78-0.8 | 0.88 | 1.03 | 1.25 | ||||||
Cold Crushing Strength(Mpa) | 1.2 | 1.6 | 2.1 | 2.5 | 3.5 | ||||||
Modulus of Rupture(Mpa) | 0.9 | 1.4 | 1.6 | 2.1 | 2.1 | ||||||
Reheating Linear change(%) | 1230℃ | 1400℃ | 1510℃ | 1620℃ | 1730℃ | ||||||
CT-30℃*8H | -0.5 | -0.5 | -0.5 | -0.9 | -0.9 |