CBN Powder

CBN powder combines exceptional hardness and thermal stability for precision grinding, lapping, polishing, and advanced cutting applications. AdValue Technology offers grades and particle sizes that help manufacturers match abrasive performance with specific tooling and finishing requirements. Manufacturers use CBN abrasive powder for efficient material removal when machining hardened steels, superalloys, and other challenging materials. Customers can select CBN powder based on crystal structure, toughness, and intended bond system for greater control across demanding processes.

Key Features of CBN Powder

Excellent hardness – CBN is one of the hardest known materials and is suitable for demanding abrasive applications.
Better performance on ferrous materials – CBN is commonly preferred for grinding hardened steels, cast iron, tool steels, bearing steels, and other ferrous alloys.
High thermal stability – CBN can maintain cutting performance under elevated-temperature grinding and machining conditions.
Strong wear resistance – CBN abrasives can provide long tool life and consistent cutting action in demanding applications.
Chemical inertness – CBN has better chemical compatibility with iron-based materials than diamond under many high-temperature grinding conditions.
Consistent finishing performance – Controlled particle size distribution supports predictable material removal and surface finish.

Typical Applications of CBN Powder

CBN powder is used in a wide range of precision abrasive and tooling applications,
including:

Grinding Wheels and Bonded Abrasive Tools – CBN powder is widely used in resin bond, metal bond, vitrified bond, and electroplated grinding tools. It is especially suitable for grinding hard ferrous materials where high cutting efficiency, dimensional accuracy, and long wheel life are required.
Lapping and Polishing Compounds – Fine CBN powder can be used in lapping compounds, polishing pastes, and abrasive slurries for precision surface finishing.
Cutting, Honing, and Finishing Tools – CBN powder can be incorporated into cutting, honing, and finishing tools for applications requiring controlled material removal, sharp cutting action, and strong abrasive durability.
Specialty Abrasive Formulations – CBN powders can also be used in specialty abrasive systems where high hardness, thermal resistance, and performance on ferrous materials are required.

Available CBN Powder Options

AdValue Technology can supply CBN powders in different size ranges and grades for
various abrasive applications.

CBN Powders (Mesh Size)

Grade	CBN-90	CBN-88	CBN-80T	CBN-50	CBN-30	CBN-20
Color	Amber	Brown	Brown	Brown	Brown	Brown
Properties	Large particles, relatively regular crystal morphology, low magnetism, and high thermal stability.	Blocky crystal morphology, low magnetism, multiple cutting edges, good sharpness, and low grinding temperature.	Triangular structure, excellent transparency, low magnetism, good sharpness, and high thermal stability.	Medium strength, blocky crystal shape, rough surface, and low magnetism.	Relatively high surface roughness.	Economical CBN with a polycrystalline structure. Very rough surface providing strong retention in resin bond systems.
Applications	Suitable for electroplated bond systems and metal bond systems, with excellent performance in titanium alloy machining applications.	Commonly used in vitrified bond systems, metal bond systems, and electroplated bond systems for high-speed precision grinding. Very efficient in processing automotive crankshafts/camshafts.	Commonly used in vitrified bond systems, metal bond systems, and electroplated bond systems, and medium low speed grinding.	An economical product for vitrified bond applications. Suitable for heavy-duty grinding with resin bond systems.	Suitable for resin bond systems and high-speed grinding; an economical product.	Suitable for high-speed grinding and mainly used in markets where it replaces conventional abrasives such as alumina.
Grain Size (mesh) Available	18/20, 20/25, 25/30, 30/40, 40/50, 50/60, 60/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500	80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500	60/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500	50/60, 60/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500	50/60, 60/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500	80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500
Impact Count at Ti Half Fracture	1650	1300	1360	1150	970	670
Sieve oversize retention percentage at fixed Ti impact count (%)	85.6	77.1	79.2	75.6	67.1	58.1

Fixed Impact Frequency Test Conditions: 500 Impact frequency: 2400r/min, error less than 2 r/min; Impact sample tube vibration amplitude: (8 ± 0.02) mm

CBN Powders (Micron Size)

Grade	CBN-M	CBN-M3	CBN-M2
Color	Brown	Brown	Brown
Materials	CBN-80	CBN-30	CBN-20
Properties	Round crystals, high strength, high thermal stability.	Relatively sharp crystal structures, high toughness	Relatively sharp crystal structures, high brittleness
Applications	Suitable for low-content (45%~60%) PCBN cutting tools, and vitrified bond grinding wheels and discs	Suitable for medium-content (60%~80%) PCBN cutting tools, and resinbond and vitrified bond grinding wheels and discs	Suitable for high-content (80%~95%) PCBN cutting tools, and vitrified bond grinding wheels and grinding discs
Particle sizes (µm)	0-0.25, 0-0.5, 0-1, 0-2, 1-2, 1-3, 2-4, 3-5, 4-8, 5-10, 7-10, 6-12, 7-14, 8-16, 10-20, 12-22, 15-25, 20-30, 22-36, 20-40, 30-40, 36-54, 40-60

Request CBN Powder Information

AdValue Technology works with customers to match abrasive powder selection with the intended application. Whether you are developing a grinding wheel, lapping compound, polishing paste, or specialty abrasive formulation, we can help review the basic requirements and suggest suitable CBN powder options.

Contact AdValue Technology to discuss CBN powder options for your application. We can provide available grade information, particle size options, technical data, and quotation details based on your requirements.

Please feel free to contact us to discuss your application and request a quote.

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