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This series of product is made in accordance with JIS standard of heat insulation refractory bricks producing .The physical and chemical performance index of the products reach or surpass the request of
Series Index Testing Temperature When Reheated With 2% Contracting Rate℃ Bulk Density (Max.) g/cm3 Cold Crushing Strength (Min.)MPa Thermal Conductivity (Max.)w/m.k A A-1 900 0.5 0.49 0.15 A-2 100 0.5 0.49 0.16 A-3 1100 0.5 0.49 0.17 A-4 1200 0.55 0.78 0.19 A-5 1300 0.6 0.78 0.20 A-6 1400 0.7 0.98 0.23 A-7 1500 0.75 0.98 0.26 B B-1 900 0.7 2.45 0.20 B-2 1000 0.7 2.45 0.21 B-3 1100 0.75 2.45 0.23 B-4 1200 0.8 2.45 0.26 B-5 1300 0.8 2.45 0.27 B-6 1400 0.9 2.94 0.31 B-7 1500 1.0 2.94 0.31 C C-1 1300 1.1 4.90 0.35 C-2 1400 1.2 6.86 0.44 C-3 1500 1.25 9.81 0.52
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