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Refractory light weight mullite brick | ||||||||||
Item | JM-23 | JM-26 | JM-28 | JM-30 | ||||||
Classification Temperature (℃) | 1250 | 1450 | 1550 | 1650 | ||||||
Al2O3 % | 42 | 56 | 67 | 73 | ||||||
Fe2O3 % | 1.0 | 0.9 | 0.8 | 0.7 | ||||||
Thermal conductivity (W/m.k ) | 400℃ | 0.14 | 0.27 | 0.32 | 0.41 | |||||
600℃ | 0.16 | 0.29 | 0.34 | 0.43 | ||||||
800℃ | 0.18 | 0.31 | 0.36 | 0.44 | ||||||
1000℃ | 0.20 | 0.33 | 0.38 | 0.45 | ||||||
Bulk Density (g/cm3) | 0.8 | 0.8 | 1.0 | 1.0 | ||||||
Cold Crushing Strength (Mpa) | 1.2 | 1.6 | 2.1 | 2.5 | ||||||
Modulus of Rupture (Mpa) | 0.9 | 1.4 | 1.6 | 2.1 | ||||||
Thermal Expansion 1000℃ (%) | 0.5 | 0.7 | 0.8 | 0.9 | ||||||
Reheating Linear Change (%) CT-30℃*8H | 1230 °C -0.5 | 1400 °C -0.5 | 1510 °C -0.5 | 1620 °C -0.9 | ||||||





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