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China, Chinese Vertical Ceramic Crucibles for Dental Laboratory Casting1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
CrucibleQuartz CrucibleCeramic Crucibles for DentalDental Lab Fused Silica Crucible
Shanghai Gongtao Ceramics Co., Ltd.
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Product Description Fused quartz crucibles are made of selected fused silica as the main raw material and processed bymodern ceramic technology. It is mainly used for melting of platinum, gold, medical dental alloys andother high-temperature alloys. The product has high purity and corrosion resistance. The content of the main component SIO2 is not less than 98%, the content of impurities (K2O, Na2O, Fe2O3) is not greaterthan 70Mpa, the thermal shock resistance is high, and the repeated operation of 1100 oC --waterquenching is more than 10 times, and it is still intact,long life.ItemUnitDataSiO2 Contentwt%≥99.5Bulk Densityg/cm31.80-1.90Apparent Porosity%14-17Moh's Hardness 6Compression Strength Under Normal TemperatureMPA≥50Coefficient of Thermal Expansion×10-6/C≤0.91Thermal Conductivityw/m.C0.86
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