4.hot plate/heater 5.motor/timer 6. Quartz heating tube
Physical Properties
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Standard value
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Physical Properties
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Standard value
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Density
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2.2g/cm3
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Deformation point
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1280℃
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Mode hardness
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5.5~6.5
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Softening Point
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1780℃
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Thermal expansion coefficient
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5.5×10-7cm/cm.℃
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Annealing point
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1250℃
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Hot working temperature
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1750~2050℃
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Specific heat (20-350℃)
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670J/KG.℃
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short-term use temperature
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1300℃
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Thermal conductivity (20℃)
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1.4W/M.℃
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long-term use temperature
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1100℃
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Electrical properties
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standard value
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Dielectric strength
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250~400kv/cm
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