- Irregular Crystal Shape: Promotes aggressive micro-cutting and effective self-sharpening during grinding.
- High Brittleness: Enables controlled micro-fracturing to continuously generate new cutting edges.
- Controlled Friability: Balances fast stock removal with stable cutting behaviour.
- Consistent Particle Size Distribution: Complies with national standards for reliable and repeatable results.
RVDM – Economy Mircon Diamond Powder
20+ Years Experience
Ultra-Precision Quality
Customized Solutions
RVDM is a cost-effective and economy-grade monocrystalline micron diamond powder developed for resin-bond abrasive tools requiring fast cutting speed and stable self-sharpening performance. Produced from low-strength HPHT synthetic diamond through controlled crushing, classification, and purification, this grade delivers high friability, low heat generation, and efficient material removal in precision grinding and polishing applications.
Features
Specifications
Available Grit Sizes
- Ultra-Fine Grits (0–1μm):
Suitable for precision polishing and fine finishing, providing stable cutting action and uniform surface quality in resin-bond and loose abrasive applications. - Fine Grits (1–10μm):
Designed for fine grinding and lapping, delivering controlled material removal and consistent performance for ceramics, sapphire, and hard materials. - Medium Grits (10–40μm):
Applied for general-purpose grinding and polishing, ensuring reliable cutting efficiency and balanced self-sharpening behavior in resin bond tools. - Coarse Grits (40–60μm):
Used for rough grinding and higher stock removal, offering stable tool life and dependable performance in bonded abrasive systems.
Comparison Table of Micron Diamond Powder Particle Size
| China Standard JB/T 17990-1790 |
US / International Standard ANSI B74-1981 |
Japan Standard Mesh JIS 6002-63 |
Median Size 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
Stone & Construction
Cost-effective abrasive solution for surface grinding and polishing operations.
- Marble and granite surface grinding
- Stone slab finishing and polishing
- Floor tile and construction material surface treatment
Ceramic Manufacturing
Suitable for precision machining of hard and brittle ceramic materials.
- Ceramic component grinding
- Precision lapping and surface finishing
- Fine machining of technical ceramics
Cutting Tool & Abrasives
Used as a raw abrasive material for bonded diamond tools.
- Resin bond diamond wheels
- Vitrified bond fine-grit diamond tools
- General-purpose precision abrasive tools