3M™ Boron Carbide Powders

  • 3M ID B49000152

Protects carbon-bonded refractory materials against oxidation

Boron carbide powders exhibit high chemical resistance

Offers high heat resistance

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Highlights
  • Protects carbon-bonded refractory materials against oxidation
  • Boron carbide powders exhibit high chemical resistance
  • Offers high heat resistance
  • High-purity powder

3M™ Boron Carbide Powders work to protect carbon-bonded refractory materials against oxidation. Our boron carbide powders offer better protection against aggressive alloys compared to metallic antioxidants.

Essential for Carbon-Bonded Refractory Materials
As part of a family of ceramic-based powders, 3M™ Boron Carbide Powders as Antioxidant have proven to be effective at prolonging the service life of carbon-bonded refractory materials. While metallic additives are more common, ceramic antioxidants offer extra protection against oxidation.

An Explanation of the Need for Antioxidants
Carbon is used in refractory materials to improve thermal shock resistance and protect against wetting by metals and slag. The steel industry uses carbon-bonded bricks and other refractory components because this composition offers the best chemical resistance against molten steel. However, carbon is sensitive to oxidation, which occurs rapidly at temperatures above 1,500ºC (2,732°F), and requires extra protection in the form of antioxidants.

How 3M™ Boron Carbide Powders Work
When oxidized, an interaction occurs with the matrix material to form liquid and/or gaseous phases that protects the carbon from oxidation. This material has a proven track record for use with carbon-bonded aluminum oxide (Al2O3-C) slide gates and various isostatically pressed components.

About 3M Advanced Ceramics
These advanced ceramic products are manufactured at ISO 9001 and 14001 certified facilities. Our manufacturing processes are optimized for quality, efficiency and consistency – helping ensure reliable and repeatable product performance. We have more than 85 years of experience in designing and manufacturing cutting-edge ceramic solutions, and we continually work to develop new applications for ceramic materials in cooperation with our customers and with research institutions.

Typical properties

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