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Glass Furnace Application Fire Resistant Mullite-sillimanite Brick Quick Detail: 86-0371-56010932zzrsnc(a)yahoo.comwww.rs-refractory.com 1,High strength2,Good thermal shock resistance3,High temperature erosion resistance 4,Good slag resistance Description: Zircon mullite brick selected high quality mullite sand and zircon powder as its main raw material. Molded by high pressure and sintered by high temperature , the zircon-mullite brick has such advantages as high bulk density, high strength, good thermal shock resistance, high temperature erosion resistance and good slag resistance. It is mainly used in long-life orifice rings, tank bottom, tank superstructure, perfume-bottle feeder, covers for working tanks and soda lime glass. Applications:The zircon mullite brick is mainly used in long-life orifice rings, tank bottom, tank superstructure, isostatically pressed, electrode blocks, perfume-bottle feeder, covers for working tanks and soda lime glass, etc. Specifications: ItemZM-17ZM-20 (Zirmul)ZM-25 (Vista)ZM-30ZM-11Chemical compositionAl2O3≥70≥59≥57≥47≥72ZrO2≥17≥19.5≥25.5≥30≥11SiO2≤12≤20≤14.5≤20≤12Fe2O3≤0.5≤0.5≤0.5≤0.3≤0.5Apparent Porosity％≤17≤17≤17≤18≤17Bulk Density g/cm3≥3.15≥2.95≥3.15≥3.10≥3.1Cold Crushing Strength Mpa≥90≥100≥120≥100≥900.1Mpa Refractoriness Under Load T0.6 ℃≥1650≥1650≥1650≥1650≥1630Permanent Linear Change On Reheating(%)1500℃X2h±0.3±0.3±0.3±0.3±0.320-1000℃ Thermal Expansion % (x 10-6)0-0.60-0.60-0.60-0.60-0.6Thermal Conductivity (Average800℃) W / (M.K)≤ 2.19≤ 2.19≤ 2.1≤ 2.1≤ 2.19Pyrometric Cone Equivalent ℃ SK3131313131
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