Cubic Boron Nitiride Powder
Advanced CBN Powders for Your Precision Needs
Optimise Your Grinding and Cutting with Cubic Boron Nitride Powder
Cubic boron nitride (CBN) powder is indispensable in industries where exceptional hardness, thermal stability, and wear resistance are critical, such as precision grinding and cutting tool manufacturing. Crownkyn’s CBN powders excel with superior toughness and chemical stability, delivering reliable performance in demanding applications. Designed to meet specific industrial requirements, our powders enhance grinding efficiency and prolong tool life even under extreme conditions.
By partnering with Crownkyn, you secure a consistent source of quality and innovation. Our CBN powders are produced with tight control over particle size distribution and purity, ensuring they meet the highest industry expectations. Strengthen your manufacturing capabilities with Crownkyn’s advanced CBN powders — your dependable solution for performance, durability, and long-term value.
Improve efficiency with Crownkyn’s precision-engineered abrasive materials.
Monocrystalline cubic boron nitride (CBN) powder combines superior toughness with exceptional hardness and thermal stability, making it ideal for heavy-duty grinding and high-precision cutting applications.
Micron CBN powder delivers excellent hardness, thermal stability, and precise particle size control, making it ideal for fine grinding, lapping, and polishing applications requiring superior surface finish and consistency.
Coated CBN powder combines exceptional hardness and thermal stability with enhanced bonding and heat dissipation, ideal for precision grinding and demanding cutting applications requiring improved tool life and performance.
CBN Powder Manufacturer Serving Global Markets
At Crownkyn, understanding the specific demands of your precision grinding and finishing applications is our top priority. As a trusted manufacturer of CBN powder, we are committed to delivering consistent, customised abrasive solutions to support every stage of your manufacturing process.
Custom CBN Powder Solutions To Your Needs
Tailored Specifications: Customise particle size, shape, and distribution to suit your specific grinding, honing, or finishing requirements.
Product Grades Available: Choose from resin bond, metal bond, or vitrified bond CBN powders—each engineered to deliver optimal performance in demanding abrasive applications.
Application-Focused Solutions: Whether for precision grinding, surface finishing, or high-speed machining, our CBN powders are optimised to improve tool efficiency and durability.
Consistency & Precision: Count on stable quality and tightly controlled tolerances to ensure consistent results and reliable performance across every batch.
Advanced Coating Options: Optional surface coatings available to enhance bond adhesion, thermal stability, and overall abrasive efficiency.
Product Grades Available: Choose from resin bond, metal bond, or vitrified bond CBN powders—each engineered to deliver optimal performance in demanding abrasive applications.
Application-Focused Solutions: Whether for precision grinding, surface finishing, or high-speed machining, our CBN powders are optimised to improve tool efficiency and durability.
Consistency & Precision: Count on stable quality and tightly controlled tolerances to ensure consistent results and reliable performance across every batch.
Advanced Coating Options: Optional surface coatings available to enhance bond adhesion, thermal stability, and overall abrasive efficiency.
Explore Crownkyn’s full range of synthetic diamond powder solutions. Work closely with our technical team to customize every detail to meet your exact processing needs. Experience the Crownkyn advantage precision, reliability, and expert support dedicated to helping you achieve consistent, high performance results.
Why Choose CBN Powder from Crownkyn Diamond
At Crownkyn, we understand the importance of tailored solutions for your applications. We lead the way in CBN powder engineering, offering unmatched consistency and precision to meet your unique needs. Our focus is on providing you with reliable quality, technical expertise, and solutions that help you achieve superior results in grinding and finishing.
- Tailored to Your Needs: We understand that every grinding and finishing process is unique. That’s why we carefully define particle sizes and shapes to meet your specific requirements and ensure optimal results.
- Wide Range of Options: From fine powders for precision polishing to coarser grades for heavy-duty grinding, our diverse selection ensures you find the right solution for your application.
- Optimized Performance: With advanced production technology, we engineer CBN powders to deliver exceptional hardness, thermal stability, and cutting efficiency, helping you achieve consistent, high-quality finishes.
- Reliable Consistency: We maintain strict quality control to ensure uniform particle distribution and performance stability, supporting your processes with dependable and predictable results.
Frequently Asked Question
Free samples of synthetic diamond powder or CBN powder about 50cts can be provided for quality test. Sample preparation typically takes 3–5 working days, and international delivery is about 7 days by air.
we can provide analysis reports upon request. These may include particle size distribution（PSD）, crystal morphology, purity, magnetic content, and thermal stability, especially important for high-performance products.
Pricing depends on product type (diamond or CBN), grit size, and application. MOQ usually starts from 1kg (5000ct). Volume discounts are available for bulk orders or long-term partnerships.
Standard delivery time is 7–15 working days after confirming the order. We maintain stock for regular grades and can prioritize production to support urgent requirements when needed.
All products are packed in sealed, anti-static, moisture-proof PE bags, or PE bottles and sealed in shock-proof cartons. And all packaging complies with international transport regulations.
Absolutely. We support customized coatings (e.g., Ti, Ni, Cu) and tailor-made diamond powder and CBN powder to match different bonding systems and tool applications.
We provide a full set of export documents including Certificate of Origin, MSDS, Packing List, and Commercial Invoice. Specific documents can be arranged based on your destination country’s requirements.
We commonly offer air freight. Logistics can be handled by our team or your nominated forwarder, depending on your preference.
Is the supplier's production capacity stable and can it meet our order requirements in the long run?
Yes. Our production facilities ensure stable monthly output, supported by ISO-standardized quality control. We are able to meet ongoing demands and scale production for long-term cooperation.
In case of verified quality issues, we offer free replacement or return. All related costs including shipping are covered by us. We prioritize long-term trust and transparency with our clients.
Manufacturing Workshop
Cubic Boron Nitride (CBN) Powder
The Comprehensive Guide
(2024)
Discover the essential role of Cubic Boron Nitride (CBN) powder in advanced industrial applications, from precision grinding to high-temperature machining. Understand how Crownkyn’s high-quality CBN powder delivers exceptional hardness, thermal stability, and wear resistance, enhancing performance and efficiency for diamond tool manufacturers, precision finishing suppliers, and distributors. Explore reliable solutions designed to meet the demands of diverse industries with consistent quality and dependable supply.
This comprehensive guide highlights the versatility of Crownkyn’s Cubic Boron Nitride (CBN) powder across various applications, from precision grinding and honing to advanced machining of hardened steels and superalloys. Whether you’re enhancing your production efficiency or exploring distribution opportunities, our guide offers essential insights to help you choose the ideal CBN powder, precisely tailored to your operational requirements for superior performance and stability.
Table of Contens
- 1.What is Cubic Boron Nitride (CBN) Powder?
- 2. Key Properties and Advantages of CBN Powder
- 3. Available Grades, Particle Shapes, and Size Ranges
- 4. Bond System Compatibility
- 5.Typical Applications in Precision Grinding and Machining
- 6. Choose the Right CBN Powder for Your Process
- 7. Ensuring Consistency and Quality in Every Batch
- 8. Testing and Sample Assessment
- 9. Packaging, Handling, and Safe Storage Guidelines
What is Cubic Boron Nitride (CBN) Powder?
Cubic Boron Nitride (CBN) powder is a high-performance industrial abrasive synthesised under high pressure and high temperature conditions. In this process, hexagonal boron nitride is transformed into its cubic crystalline form, second only to diamond in hardness. The resulting powder offers exceptional hardness, superior thermal stability, and excellent chemical resistance, making it ideal for precision grinding, honing, and finishing of hardened steels and superalloys.
At Crownkyn, we manufacture high-quality Cubic Boron Nitride (CBN) powder using advanced high-pressure, high-temperature technology, transforming hexagonal boron nitride into its ultra-hard cubic form. Our product range includes coarse and fine grinding grades, as well as micron powders, which offer exceptional hardness, thermal stability, and chemical resistance for demanding industrial applications such as precision grinding, honing, and machining of hardened steels and superalloys.
Key Properties and Advantages of CBN Powder
Cubic Boron Nitride (CBN) powder is distinguished by its remarkable hardness and superior thermal stability, offering excellent wear resistance and reliable performance under high-temperature conditions. Its unique properties and consistent quality make it a preferred alternative to traditional abrasives for precision grinding and machining of hardened steels and other demanding industrial applications.
Sharp Multi-Angular Cutting Edges
CBN powder features well-defined, blocky crystals with sharp edges, providing aggressive cutting action and excellent self-sharpening properties for precision grinding of hardened steels and superalloys.
High Thermal Stability
CBN maintains its hardness and cutting efficiency at much higher temperatures than diamond, making it ideal for dry grinding and high-speed machining.
Excellent Bond Retention
The blocky and robust crystal structure enhances retention in resin, vitrified, and metal bond tools, ensuring long-lasting tool life and consistent performance.
Consistent Particle Size Distribution
Tightly controlled grading guarantees uniform particle size and shape, delivering predictable grinding behaviour and reliable quality from batch to batch.
Broad Application Versatility
Well-suited for use in resin, vitrified, metal bond, and electroplated tools, CBN powder excels in grinding hardened steels, high-speed steel, tool steels, and other ferrous materials where diamond is unsuitable.
Available Grades, Particle Shapes, and Size Ranges
Synthetic diamond powder is available in a range of types and grades, each designed to meet specific industrial needs. Choosing the right type is crucial for achieving optimal performance in cutting, grinding, or polishing applications. Below are the main classifications:
Standard Blocky CBN Powder
Synthesised under HPHT conditions, this grade features irregular, blocky crystals with sharp cutting edges and excellent toughness. It is ideal for general-purpose grinding of hardened steels and ferrous alloys.
Shaped Blocky CBN Powder
With improved crystal shape uniformity and controlled particle geometry, this type offers enhanced grinding stability, superior surface finish, and longer tool life in precision machining applications.
Coated CBN Powder
Available with surface coatings such as Nickel (Ni), Titanium (Ti), or Copper (Cu), this grade provides improved bond retention, better thermal resistance, and enhanced cutting performance in demanding grinding operations.
Micron and Submicron CBN Powder
Fine and ultra-fine CBN powders, precisely graded down to submicron sizes, are designed for honing, lapping, and super-finishing applications requiring high dimensional accuracy and excellent surface quality.
Bond System Compatibility
Crownkyn’s CBN powder is engineered for excellent compatibility with a wide range of bond systems, ensuring optimal tool performance and durability. Carefully graded and precisely controlled, our CBN powders integrate seamlessly into resin, vitrified, metal, and electroplated bonds, helping you achieve consistent, high-quality results in your grinding operations.
Resin Bonds
The sharp, blocky CBN particles provide strong mechanical retention and efficient cutting in resin-bonded tools, ideal for high-speed grinding of hardened steels.
Vitrified Bonds
CBN’s high thermal stability and uniform particle size make it well-suited for vitrified bond CBN tools, delivering consistent grinding performance and extended tool life under demanding conditions.
Metal Bonds
With its superior hardness and good thermal resistance, CBN powder maintains excellent bond retention and cutting efficiency in metal-bonded tools, even at high temperatures.
Electroplated Bonds
CBN’s well-defined crystal structure and toughness ensure reliable adhesion and aggressive cutting in electroplated tools, perfect for precision applications.
Typical Applications in Precision Grinding and Machining
Cubic Boron Nitride (CBN) powder is a vital material in precision grinding and machining of hardened steels and ferrous alloys. Its remarkable hardness, superior thermal stability, and excellent wear resistance make it indispensable in the following applications:
Choose the Right CBN Powder for Your Process
STEP 1
Match the Bond System
Identify whether the CBN powder will be used in resin, vitrified, metal, or electroplated bonds. Different bond systems require different surface properties.
STEP 2
Select the Appropriate Grade
Choose from standard blocky grade for general grinding, shaped blocky grade for improved uniformity and tool life, or coated grades for enhanced bond retention and heat resistance in demanding conditions.
STEP 3
Choose the Right Grit Size
Fine grits are suited for honing, lapping, and finishing, medium grits for precision grinding, and coarse grits for heavy stock removal and rough machining of hardened steels.
STEP 4
Consider Particle Shape and Coating
Blocky, multi-angular particles provide aggressive cutting and durability, while shaped and coated particles deliver better consistency, bond retention, and stability under high temperatures.
STEP 5
Consult Technical Experts
Work with Crownkyn’s knowledgeable team to evaluate samples and optimise the right combination of grade, grit size, shape, and coating for your specific grinding and machining process.
Ensuring Consistency and Quality in Every Batch
Consistent quality is crucial for delivering stable performance in precision grinding and machining. At Crownkyn, we apply rigorous quality control processes to ensure our CBN powder meets exacting standards of hardness, particle uniformity, and batch-to-batch consistency, supporting your operations with reliable and predictable results.
Laser Particle Size Analyzer: Precisely measures particle size distribution, including D50, D90, and D10, ensuring uniformity and predictable grinding performance.
Scanning Electron Microscope (SEM): Examines crystal shape, surface structure, and morphology to verify sharpness, uniformity, and suitability for different bond systems.
X-Ray Diffraction (XRD): Confirms the cubic crystalline structure and purity of CBN, guaranteeing consistent material properties and hardness.
Toughness and Friability Testing: Assesses mechanical strength and resistance to fracture, helping select the right grade for specific grinding and machining applications.
Magnetic and Chemical Impurity Analysis: Detects and controls metallic and non-metallic impurities that can affect bond retention and grinding efficiency, especially in high-precision industries.
Thermal Stability Evaluation: Tests resistance to oxidation and thermal degradation under high temperatures, critical for metal bond and high-speed grinding tools.
Sample Testing and Technical Support
At Crownkyn, we know the performance of your grinding tools and precision processes depends on selecting the right CBN powder for your application. Please take advantage of our sample testing and technical support services to evaluate product performance and optimise your choice before full-scale production.
Custom Sample Preparation
We provide customised CBN powder samples in your required grit sizes, grades, and coatings, matched to your bond system and grinding application.
Application-Oriented Testingg
Test our CBN powders in your own processes or with trusted third-party facilities to evaluate cutting efficiency, bond retention, thermal stability, and tool wear under real working conditions.
Expert Technical Support
Our experienced technical team assists in analysing test results, offering recommendations, and fine-tuning product specifications to achieve optimal grinding performance.
Continuous Improvement Feedback
Your feedback helps us refine crystal shape, particle size distribution, and coating selection, delivering improved grinding stability, extended tool life, and consistent batch quality.
Packaging, Handling, and Safe Storage Guidelines
- Moisture-proof, anti-static containers
- Sealed plastic jars or vacuum foil bags
- Strong cartons for bulk protection
- Custom packaging on request
- Wear gloves and mask to avoid contact or inhalation
- Use clean, dry tools for handling
- Work in a clean, controlled area
- Keep sealed in original container until needed
- Store in a cool, dry, ventilated environment
- Protect from moisture, direct sunlight, and high heat
Hey, I’m Ashley Wei, the sales engineer of crownkundiamond.com Family-run business.
An expert of agriculture protection textile specialist.
In the past 26 years, we’ve supported 100+ clients across 35 countries, including diamond tools manufacturers and synthetic diamond powder distributors to significantly enhance their product quality and efficiency. The purpose of article is to share insights on advanced abrasive solutions, helping you produce higher quality diamond tools with improved performance and durability.
An expert of agriculture protection textile specialist.
In the past 26 years, we’ve supported 100+ clients across 35 countries, including diamond tools manufacturers and synthetic diamond powder distributors to significantly enhance their product quality and efficiency. The purpose of article is to share insights on advanced abrasive solutions, helping you produce higher quality diamond tools with improved performance and durability.
