Micron CBN Powders

Superabrasive powder with exceptional thermal conductivity, hardness, and wear resistance for improving grinding and polishing performances of ferrous materials.

Micron cubic boron nitride (cBN) powders are fine or ultrafine, high-purity synthetic diamond particles with exceptional thermal conductivity and surface integrity that is particularly effective for grinding and polishing ferrous materials.

These ultrafine synthetic diamond powder particles are extremely hard and durable, making them ideal for precision grinding, which enables high-performance cutting tools with longer lifespans, efficient cutting speeds, and reduced tool wear.

Commonly used in resin, metal, and vitrified bond systems, micron cBN powders feature strong performances in self-sharpening efficiency and are often utilized in grinding hardened alloy steels, tool steels, cast irons, and dies, as well as nickel- and cobalt-based superalloys.

Our micron cBN powders are available in a wide range of submicron grit sizes and copper, nickel, and titanium coatings.


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Hyperion Code: BMP I/400/500

Description: Uncoated microcrystalline CBN powders used extensively in fine grinding and as PCBN feedstocks.

Hyperion Code: BMP II/TI/400N/550Ti

Description: Coated microcrystalline CBN powders with exceptional thermal conductivity that provides improved surface integrity in the grinding of hardened alloy steels, tool steels, and nickel- and cobalt-based superalloys.

Description: Cubic boron nitride microcrystalline powders create exceptional thermal stability, self-sharpening, and grinding efficiency performance. It is used for lapping, honing, and polishing ferrous materials in automotive, aerospace, and scientific instruments. 


Micron cBN Powders Applications


As superabrasive material, micron cBN powders are added as a substrate at the end of a workpiece to improve the grinding and polishing performance of tools, such as saw blades, milling cutters, grinding wheels, honing stones, and other abrasive products.

Using micron cBN powders provides several advantages over traditional abrasive materials, including improved tool life, reduced tool wear, and improved cutting performance. With its exceptional hardness, heat resistance, chemical stability, and wear resistance, micron-sized cBN powders are an effective abrasive material for precision grinding and polishing applications in various industries, including automotive, aerospace, and medical device manufacturing.


Micron cBN Powders Product Range


At Hyperion Materials & Technologies, we provide a wide range of micron cBN powders, from our Borazon family of cBN products to our cBNMic products.

Coated Borazon BMP Powders - Coated Borazon BMP Powders are Hyperion legacy monocrystalline powders designed to improve crystal retention in bond systems. Coated crystals present fewer putouts and improved thermal conductivity with enhanced surface integrity in grinding hardened alloy steels, tool steels, and nickel- and cobalt-based superalloys.

Uncoated Borazon BMP Powders - Uncoated Borazon BMP Powders are Hyperion legacy monocrystalline powders for mechanically held bond systems. As a result, crystals are subjected to more pullouts and less thermal dissipation.

CBNMic - CBNMic is a microcrystalline cubic boron nitride powder designed for specialized markets of lapping, honing, and polishing ferrous metals. Its advanced wear-resistant characteristics provide strong performances in thermal stability, self-sharpening ability, and grinding efficiency

Hyperion also manufactures a range of Mesh CBN, Micron Diamond Powders, and high-quality Mesh Diamonds.

Frequently Asked Questions about Micron CBN Powders

What are micron cBN powders and how are they different from other abrasive materials?

Micron cBN powders are microcrystalline synthetic cubic boron nitrides that provide unique characteristics in thermal stability, efficiency, and sharpness for ferrous materials used in resin, metal, and vitrified bond systems. In addition, they differ from other abrasive materials due to their high hardness and toughness, making them ideal for precision grinding and polishing operations.

What are some applications for micron cBN powders in the toolmaking industry?

Micron cBN powders are commonly found in grinding and polishing applications of tools, such as saw blades, milling cutters, grinding wheels, and honing stones. They provide exceptional thermal stability and hardness characteristics extending a tool's lifespan and effectiveness. As a result, it enhances tools created for the aerospace, automotive, and medical industries.

What is the difference between micron cBN and micron diamond?

Micron cBN differs from micron diamond because of its chemical composition, hardness, thermal stability, and chemical stability. CBN is less hard than diamond and less reactive to hot temperatures. Therefore, micron cBN powder is best used on super hard metals such as steel. Due to the higher thermal conductivity when cutting steel, there is less chance of burning or damaging the workpiece. However, use micron diamond to cut tempered glass, concrete, granite, or non-metallic material.