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The products are possessed of the following characteristics: stable quality, small overall dimension tolerance, high softening temperature by loading, small true density, few quartz residue, etc. It wins appreciation and compliments from the customers as home and abroad. Through the examination of the refractory material quality inspecting center of state, the physical and chemical index of this product reaches or surpasses international standard; this product has passed ISO9000 quality system authentication. It is the ideal materials for glass smelting furnace and other industrial thermal kilns.
Index Products Scries SiO2 (Min.)% Fe2O3 (Max.)% Bulk Density (Max.)g/cm3 Apparent Porosity (Max.)% Cold Crushing Strength (Min.)MPa Refractoriness (Min.)℃ Reheating Linear Change % Refractorness Under Load (0.2MPa)(Min.) ℃ Quartz Content (Max.)% Silica Bricks For Coke Oven JG-94 94.0 2.35 22(Bottom,SideWall); 24(Other parts and Manual shape brick) 29.4(Bottom,SideWall); 19.6(Other parts and Manual shape brick) 1690 1450℃×2h 0-0.2 1650 GZ-95 95.0 2.37 22.0 29.4 1710 1650 Silica Bricks GZ-94 94.0 2.38 23.0 24.5 1710 1640 GZ-93 93.0 2.39 25.0 19.6 1690 1620 Silica Bricks For Glass Furnace BG-96 95.5 1.0 20(Max.15kg); 21(15.1kg-40kg) 29.4 1710 1650 BG-95 95.0 1.2 20(Max.15kg); 22(15.1kg-41kg) 29.4 1710 1650 BG-94 94.0 1.5 22(Max.15kg); 22(15.1kg-42kg) 24.5 1710 1630 LBG-96 96.0 1.0 19(Max.15kg); 20(15.1kg-43kg) 34.3 1710 1450℃×2h 0-0.3 1680 3.0
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