High Temperature Alumina Ceramic Crucible for Gold Melting

High Temperature Alumina Ceramic Crucible for Gold Melting
Product Details
We are adhering to the corporate culture of 'integrity-based, innovative and enterprising, resource integration, and quality improvement', actively integrate various resources, and take the production of high-quality ceramic insulator brown, ozone generator plates, ceramic insulated band heater as the development goal. We always hold the tenet of quality first and customer first. We rely on brand and customer acquisition platform, full information system construction platform, product innovation platform, and supply chain deepening integration platform.

The capacity of the crucible is 5 to 2000ml according to appearance, maximum capacity can be customized, and maximum size is 450mm. Under the general condition, the analyzed and fired substance is put into the crucible or a sagger and then put into analyzing or firing equipment to be heated. Heating and cooling speed is different according to the characteristics of the equipment and products. A raw material for manufacturing the crucible and the sagger is subjected to thermal expansion, and the crucible and the sagger are easily cracked if the heating or cooling speed is overhigh, so that the speed had better be low to prolong the service life of the crucible and the sagger. A corundum crucible contains 99.70% of corundum, has good high temperature insulation property and mechanical strength at the temperature of 1650 to 1700℃ in oxidizing atmosphere and reducing atmosphere, high heat conductivity and low thermal expansivity, does not react with air, water vapor, hydrogen, carbon monoxide and so on at the temperature of more than 1700℃, and has the short-term maximum service temperature of 1800℃.


Technical parameters:

Content: >99%

Density: 3.85g/cm3

Compressive strength: 2500MPa

Bending strength: 360MPa

Thermal shock resistance (thermal stability): good 

Maximum service temperature: 1800℃


We produce High Temperature Alumina Ceramic Crucible for Gold Melting throughout the world, and we will continue for the new old customer service in line with the practical, high quality, innovation and progress of spirit. We professionally supplies customers with our main products And our business is not only the 'buy' and 'sell', but also focus on more. Our company not only has many years of rich experience in the industry, but also has its own core technology, so we will not under the control of others.
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