99.7% Alumina Ceramic Crucible/ Corundum Crucible/Alumina Crucible

99.7% Alumina Ceramic Crucible/ Corundum Crucible/Alumina Crucible
Product Details
We always adhere to the concept of leading technology, quality first, and customer-centric and we are the world's leading supplier of transformer bushing accessories, ceramic welding backing tape, ceramic ferrule. We try to establish the image of 'advancing with the market', win the trust of quality and customer first and make progress together with customers. We adhere to the principle of professional production and fast service, and focus on the business philosophy of advancing with the times. Our quality assurance system operates reliably, and the product quality level and output are at the forefront of the industry. We will continue to use higher product performance and quality, faster market reaction speed, stronger cost control ability, and strive for the success of our customers.

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℃


Our 99.7% Alumina Ceramic Crucible/ Corundum Crucible/Alumina Crucible is very safe and stable, as its design and product components are manufactured to high standards. With gratitude, we insist on hard work and innovation. Creating brand image is the basis of the long-term development of enterprises. Creating brand-new product value and exploring service and quality are the conditions for the survival of enterprises. Our development goal is to build the enterprise into an international first-class enterprise group with integration advantages and service capabilities.
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