- High-Strength CBN Crystals: Selected monocrystalline particles provide grain integrity for demanding precision grinding applications.
- Angular Particle Morphology: Defined cutting edges support effective material removal and consistent abrasive action.
- Controlled Particle Size Distribution: Classified micron grades support consistent grain sizing and surface finishing.
- High Surface Cleanliness: Controlled surface quality supports abrasive tool manufacturing and selected PCBN processing requirements.
- Bond System Compatibility: Suitable for selected vitrified- and metal-bond CBN grinding and honing tools.
- PCBN Feedstock: Selected grades are available for evaluation in polycrystalline CBN manufacturing.
CBN-B50M Metal Bond System
20+ Years Experience
Consistent Batch Quality
Customized Solutions
Product Overview
CBN-B50M is a high-strength monocrystalline CBN micron powder with angular particle morphology, controlled size distribution, and high surface cleanliness. Developed for vitrified and metal-bond grinding tools, it supports consistent cutting performance in precision grinding and honing of hardened ferrous materials and is also available for selected PCBN manufacturing applications.
Features
Specifications
| Product Grade | CBN-B50M |
|---|---|
| Material Type | Monocrystalline Cubic Boron Nitride (CBN) |
| Crystal Characteristics | High-Strength, Selected Grain Integrity |
| Particle Morphology | Angular Micron Particles |
| Typical Appearance | Black-Brown |
| Available Particle Size | Selected Micron Grades; See Particle Size Chart |
| Particle Size Distribution | Controlled According to Selected Grade |
| Surface Quality | High Surface Cleanliness |
| Typical Bond Systems | Vitrified Bond / Metal Bond |
| Applications | Precision Grinding / Honing / Selected PCBN Manufacturing |
| Selection Focus | Particle Size, Grain Integrity, Bond System and PCBN Processing Requirements |
CBN Micron Powder Particle Size Chart
| Reference W Grade / Mesh | Nominal Particle Size (μm) | Reference Grit No. (#) | Reference D50 (μm) |
|---|---|---|---|
| W0.2 | 0–0.2 | 80000 | 0.1 |
| W0.25 | 0–0.25 | 60000 | 0.11–0.20 |
| W0.5 | 0–0.5 | 30000 | 0.20–0.30 |
| W1 | 0–1 | 15000 | 0.6–0.8 |
| W1.5- | 0–2 | 13000 | 1.0 |
| W1.5 | 1–2 | 12000 | 1.1–1.3 |
| W2.5 | 1–3 | 10000 | 1.6–1.8 |
| W3 | 2–3 | 7000 | 1.9–2.1 |
| W3.5 | 2–4- | 6500 | 2.2–2.6 |
| W3.5 | 2–4 | 6000 | 2.6–3.0 |
| W4 | 2–5 | 5000 | 3.1–3.4 |
| W5 | 3–6 | 4000 | 3.5–4.5 |
| W6 | 4–6 | 3500 | 4.4–5.0 |
| W7 | 4–8 | 3000 | 5.0–6.0 |
| W10- | 4–9 | 2500 | 6.1–6.5 |
| W10 | 5–10 | 2000 | 6.5–7.3 |
| W10+ | 6–12 | 1800 | 7.3–8.3 |
| W12 | 8–12 | 1600 | 8.3–9.0 |
| W14 | 7–14 | 1500 | 9.1–10.5 |
| W14 | 8–16 | 1300 | 10.0–12.0 |
| W20- | 10–20 | 1200 | 12.5–15.0 |
| W20 | 12–22 | 1000 | 15.0–17.0 |
| W20+ | 15–25 | 800 | 18.0–20.0 |
| W28 | 20–30 | 700 | 20–23 |
| W28+ | 22–36 | 600 | 23–26 |
| W40- | 20–40 | 500 | 26–29 |
| W40 | 30–40 | 450 | 29–32 |
| W40+ | 35–45 | 400 | 32–36 |
| W50 | 36–54 | 37–43 | |
| 325/400 | 320 | 43–48 | |
| 270/325 | 280 | 48–55 | |
| 230/270 | 240 | 56–64 | |
| 200/230 | 200 | 65–73 |
Applications
Ferrous Metals
Hardened steel grinding
- Hardened steel grinding
- Bearing steel and tool steel processing
- Precision honing of steel components
Cutting Tool & Abrasives
Used in vitrified- and metal-bond CBN tools requiring consistent abrasive cutting performance.
- Precision CBN grinding wheels
- Metal-bond honing tools
- Tool and profile grinding applications
PCBN Manufacturing
Selected CBN micron grades can be evaluated as feedstock for polycrystalline CBN manufacturing.
- PCBN cutting tool blanks
- Polycrystalline CBN compacts
- Application-specific HPHT sintering processes