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China, Chinese High Purity Ceramics Insulation Magnesium Oxide Magnesia Tube1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Ceramic ProductsCeramic Tube Rod99% MGO Rod 4 HoleMGO Ceramic Tube for Hot Runner Coil Heater
Shanghai Gongtao Ceramics Co., Ltd.
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Product Description Product Overview Magnesium oxide ceramics belong to the cubic crystal system. Magnesium oxide ceramics have alarge thermal expansion coefficient and a high vapor pressure. The melting point is 2800 ° C, but it isvolatile above 2300 ° C; the specific volume resistance (35V/mm) at high temperature is large. Hasgood insulating properties. Product Features 1. High-purity magnesium oxide ceramics have strong corrosion resistance to metals and alkalinesolutions, and are used as crucibles for melting high-purity iron and alloys as well as nickel, thorium,uranium, tin, lead, zinc, copper, cobalt and their alloys. 2. As a container for fused alumina andaluminum salts.3. The thermocouple protection tube made of magnesium oxide is used to measure the high temperatureabove 2000oC.MgO Ceramic Physical Properties PropertiesUnitMgOContents%95, 99.5Densityg/cm33.56HardnessMohs'6Liner Thermal Expansion/oC8.6 x 10-6(40° to 250°)Work TemperatureoC2400Flexual StrengthMPa84Compressure StrengthMPa14Fracture Strength (5 distance)MPa125Thermal ConductivityW/m.k15.9-42Volume Resistivity (100 oC)->1012Dielectric Constant 1.0 MHz-5.8Max Size-250mm Long
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