Refractory Ceramic Fire Assay Crucible Cupel for Metal Smelting

Refractory Ceramic Fire Assay Crucible Cupel for Metal Smelting
Product Details
In line with the development concept of 'quality comes from professional, technology guided innovation', our company focuses on the design, R&D and production of ozone generator plates, ceramic mig nozzles, silicate ceramic steatite c221, providing high-quality products for customers. With years of accumulation of industry experience and a deep understanding of products, we will follow our consistent quality commitment, service commitment and reputation commitment to meet your needs! We are recognized by the industry for our integrity, strength and excellent product quality, along with compliments from our customers and friends across the country! We always follow the principle of good quality and customer first to vigorously develop glass production, and we are willing to develop together with customers at home and abroad to create a harmonious and beautiful future! We strictly abide by the core values of 'precision manufacturing, focus on service' and focus on manufacturing quality in the process of operation to provide customers with satisfactory service.

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℃


The quality of our Refractory Ceramic Fire Assay Crucible Cupel for Metal Smelting has reached the international leading standards of similar products, and has excellent durability and reliability. We ensure on-time delivery and post service with high-quality and fast working efficiency to help each customer seize business opportunities in the fierce market competition and win the trust of customers. Our company implements 'quality buy-out system' and 'quality accountability system'. For the quality problems, we will check to the end, and we will not let go of any clues.
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