heat dissipating insulating boron nitride ceramic parts

heat dissipating insulating boron nitride ceramic parts

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Boron Nitride Ceramic:

CBN is usually a black, brown or dark red crystal with a sphalerite structure and good thermal conductivity. Hardness is second only to diamond and is a superhard material commonly used as tool material and abrasive.
Boron nitride is chemically resistant and is not attacked by mineral acids and water. The boron-nitrogen bond is broken in the hot concentrated base. Oxidation in air begins above 1200 °C. The melting point is 3000 ° C, and sublimation begins when it is slightly lower than 3000 ° C. Decomposition begins at about 2700 ° C under vacuum. Slightly soluble in hot acid, insoluble in cold water, relative density 2.25. The compressive strength is 170 MPa. The maximum use temperature is 900 ° C in an oxidizing atmosphere and 2800 ° C in an inactive reducing atmosphere, but the lubricating performance is poor at normal temperature.

properties:

It has good heat resistance, thermal stability, thermal conductivity, high temperature dielectric strength, and is an ideal heat dissipating material and high temperature insulating material. Boron nitride has good chemical stability and is resistant to most of the molten metal. It also has good self-lubricating properties. Boron nitride products have low hardness and can be machined with an accuracy of 1/100 mm.

Application industry:

Boron nitride can be used in the manufacture of high-temperature containers for metallurgical melting, semiconductor heat-dissipating insulation parts, high-temperature bearings, thermowells, and glass forming dies.

Company Information:

Shenzhen Hard Precision Ceramic CO.,Ltd founded in 2007, located in Shenzhen of China. We are a company that integrates development, design, molding, sintering, production and sales of precision ceramic products. After 10 years of development, we have cooperated with more than 2000 customers and 60 universities; Our factory covers an area of 2000 square meters, 50 employees, and annual production value of nearly 20 million. We have a higher visibility and better reputation in the same industry.Our products include ceramic rods, tubes, plates, blocks and precision parts for industrial. We have all-line high precision equipments from ceramic forming, sintering to precision machining. Hope for a wide range of sincere cooperation with customers at home and abroad.

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