
Products Description

General Diamond Micron Powder
The Hope HGDM series diamond micro-powder refers to diamond particles with a particle size finer than 60/40 microns, which are produced using high-quality single crystal diamonds as raw materials and undergo processes such as crushing, shaping, purification, and classification.
The Hope HGDM series diamond micro-powder boasts high hardness and excellent wear resistance, making it suitable for cutting, grinding, and polishing applications. It serves as an ideal raw material for grinding and polishing hard materials like cemented carbides, ceramics, gems, optical glass, and is widely used in industries including machinery, aerospace, optics, glass, ceramics, electronics, petroleum, geology, defense, and more. With the continuous development of technology and products, the application fields of Hope HGDM series diamond micro-powder and its products are continually expanding.


Product Paramenters
ACM | Features: Made from premium resin-bonded diamond HBD6(AC6) via crushing, shaping, purification, and grading. Light gray color, regular crystal shape, low impurities and magnetism, excellent self-sharpening, polycrystalline-like structure, precise shape and size control. Applications: Ideal for resin-bonded abrasives, grinding pastes, and grinding fluids. Used in precision polishing of hard alloys, optical glass, and other applications demanding ultra-high product quality. |
HGDM-D | Features: Made from high-quality resin-bonded diamond HRD via crushing, shaping, purification, and grading. Light yellow-green color, regular crystal shape, low impurities, good self-sharpening, uniform size distribution. Applications: Ideal for resin-bonded and ceramic-bonded abrasives, grinding pastes, and fluids. Used in polishing gemstones, stone, ceramic tiles, glass, optical glass, and hard alloys. An economical micro-powder offering high grinding efficiency and wear resistance. |
HGDM-C | Features: General-purpose micro-powder made from high-quality single-crystal synthetic diamond HSD10. Processed via crushing, shaping, purification, and grading. Light yellow color, regular crystal form, low impurities and magnetism, uniform size distribution. Applications: Ideal for metal-bonded, ceramic-bonded, and resin-bonded abrasives, grinding pastes, and fluids. Used in polishing gemstones, glass, optical glass, ceramics, stone, PCD/PCBN, and other non-metallic materials. |
HGMD-B | Features: High-strength powder made from premium single-crystal diamond HSD20. Processed via crushing, shaping, purification, and grading. Light yellow color, regular crystal shape, low impurities and magnetism, concentrated particle size distribution. Applications: Ideal for metal-bonded/ceramic-bonded abrasives, electroplated tools, grinding pastes, and fluids. Used in precision grinding wheels for optical glass, fine grinding pellets, edge grinding wheels, polishing discs, sapphire grinding wheels for silicon, precision tools for gems/jade, and wire saws for monocrystalline silicon/sapphire slicing. |
HGDM-A | Features: High-strength powder made from premium single-crystal diamond HSD30. Processed via crushing, shaping, purification, and grading. Light yellow color, regular crystal shape, extremely low impurities and magnetism, concentrated size distribution. High strength, excellent dispersion, and wear resistance. Applications: Ideal for metal/ceramic bond tools and electroplated tools. Used in cutting, grinding, and polishing brittle organic/inorganic materials. Applications include wire saws for mono-crystalline silicon/sapphire, precision blades for gemstones/semiconductors, and grinding/polishing tools for silicon, diamonds, gemstones, sapphire, quartz wafers, LED substrates, LCD glass, magnetic materials, and semiconductors. |
Particle Size Comparison Table
Chinese Standard | International Standard | Japanese Standard / Mesh (#) | Russian GOST9206-80 | Median 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 | 0.5/0 | 0.20~0.30 |
w1 | 0-1 | 15000 | 1/0 | 0.6~0.8 |
w1.5- | 0-2 | 13000 |
| 0.8~1.0 |
w1.5 | 1-2 | 12000 | 2/1 | 1.1~1.3 |
w2.5 | 1-3 | 10000 |
| 1.6~1.8 |
W3 | 2-3 | 7000 | 3/2 | 1.9~2.1 |
w3.5 | 2-4 | 6000 |
| 2.6~3.0 |
W5- | 2-5 | 5000 | 5/3 | 3.1~3.4 |
w5 | 3-6 | 4000 |
| 3.5~4.2 |
W5+ | 4-6 | 3500 |
| 4.4~5.0 |
w7 | 4-8 | 3000 | 7/5 | 5.0~6.0 |
W7+ | 4-9 | 2500 |
| 6.1~6.5 |
w10- | 5-10 | 2000 | 10/7 | 6.5~7.3 |
w10 | 6-12 | 1800 |
| 7.3~8.3 |
w10+ | 8-12 | 1600 |
| 8.3~9.0 |
w14- | 7-14 | 1500 |
| 9.1~10.5 |
w14 | 8-16 | 1300 | 14/10 | 10.0~12.0 |
w20- | 10-20 | 1200 |
| 12.5~15.0 |
w20 | 12-22 | 1000 | 20/14 | 15.0~17.0 |
w20+ | 15-25 | 800 |
| 18.0~20.0 |
w28 | 20-30 | 700 | 28/20 | 20~23 |
w28+ | 22-36 | 600 |
| 23~26 |
w40- | 20-40 | 500 |
| 26~29 |
w40 | 30-40 | 450 | 40/28 | 29~32 |
w40+ | 35-45 | 400 |
| 32~36 |
w50 | 40-60 | 350 | 60/40 | 37~43 |
Company Profile

Zhengzhou Hope Superhard Material Co.,Ltd is located in Zhengzhou High-tech Industrial Development Zone. With our proprietary technologies and Self-developed Equipment, we have developed into a high-tech private company integrating scientific research , manufacturing, and sales.
We provide full-range of synthetic diamond and related products including Lab-Grown Diamond, Diamond Powder, Large Single Crystal Diamond, Diamond Micro powder, CBN Powder, MCD and PCD Wire Drawing Die Core, PCD, PDC, PCBN, CVD and Single Crystal Diamond Tool, Wire Drawing Die, Diamond Grinding Wheel etc. These products serve diverse industries such as Aerospace , Electronics, Optics, Machinery, Energy Exploration, Construction and Jewelry.
We are committed to the fundamental principles of exceptional corporate credibility and product quality, leveraging sincere customer service as a bridge to collaboratively create a bright future with our clients.
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FAQ
1. What are your business scopes?
-We are a superhard material manufacturer with 20+ years of experience. Our main products include single crystal and polycrystalline diamond, CBN, various micro powders, PCD, PDC, TSP, CVD, PCBN etc and related tool products.
2. What payment methods do you accept?
-We accept T/T, L/C, Alibaba Trade Assurance, and other secure payment methods. Please contact us for more options.
3. Do you offer OEM/ODM services?
-Yes, we provide customized OEM/ODM services, including logo printing, packaging design, andproduct specifications tailored to your requirements.
4.Can I get a sample before placing a bulk order?
-Yes, we do provide samples for quality evaluation, but the buyer is responsible for the sample and shipping costs.
5. What is your production lead time?
-After order confirmation and deposit payment, our standard production time is 7 working days for a regular order. This time may vary based on the order quantity, product complexity, and customization requirements.