As advanced manufacturing continues to demand higher precision, superior surface quality, and improved processing efficiency, diamond powder has become an essential material in precision grinding and polishing applications. With outstanding hardness, wear resistance, and thermal conductivity, diamond powder is widely used in semiconductor processing, optical materials, ceramics, metals, and advanced composite materials.
At Alfa Chemistry, we provide a comprehensive portfolio of high-quality diamond powders, including single crystal diamond powder, polycrystalline diamond powder, quasi-polycrystalline diamond powder, and nanometer diamond powder. Manufactured from high-strength and high-purity premium diamond raw materials, our products feature excellent dispersion stability, uniform particle size distribution, complete specifications, and reliable quality consistency. These materials are ideal for precision lapping, fine grinding, and mirror polishing of hard and brittle materials.
Product Introduction
01
- Single Crystal Diamond Powder
Single crystal diamond powder offers high hardness, sharp cutting edges, and excellent grinding efficiency. It is particularly suitable for precision grinding and polishing applications requiring high material removal rates and controlled surface quality.
02
- Polycrystalline Diamond Powder
Polycrystalline diamond powder consists of multiple microcrystalline structures that fracture during processing to continuously expose new cutting edges. This characteristic provides enhanced polishing consistency and improved surface finish.
03
- Quasi-Polycrystalline Diamond Powder
Quasi-polycrystalline diamond powder combines the advantages of single crystal and polycrystalline structures, delivering balanced cutting performance, durability, and polishing uniformity for demanding precision applications.
04
Nanometer diamond powder is composed of near-spherical diamond nanoparticles smaller than 20 nm. Its surface contains abundant functional groups, and its specific surface area is an order of magnitude higher than that of single-crystal diamond products. These characteristics make it highly suitable for advanced polishing applications.
Product Features
- Single Crystal / Polycrystalline / Quasi-Polycrystalline Diamond Powder
- Fine particle size with well-defined crystal morphology
- High density and excellent dispersion performance
- Uniform particles without agglomeration
- Suitable for ultra-fine and mirror polishing applications
- Stable cutting performance and consistent polishing quality
- Nanometer Diamond Powder
- Near-spherical diamond particles smaller than 20 nm
- Exceptional hardness and wear resistance
- High specific surface area with porous structure
- Excellent thermal stability and thermal conductivity
- Outstanding corrosion resistance
- Stable dispersion in both water-based and oil-based systems
- Ultra-high purity with metal impurities controlled at ppm levels
Product Specifications
Alfa Chemistry offers diamond powders in a wide range of particle sizes and specifications to meet different processing requirements.
| Single Crystal / Polycrystalline / Quasi-Polycrystalline Diamond Powder |
| Catalog Number | Median Particle Size (um) | Catalog Number | Median Particle Size (um) |
| ACSEM-CMP-0039 | 0.125 | ACSEM-CMP-0047 | 4.00 |
| ACSEM-CMP-0040 | 0.25 | ACSEM-CMP-0048 | 5.00 |
| ACSEM-CMP-0041 | 0.50 | ACSEM-CMP-0049 | 6.00 |
| ACSEM-CMP-0042 | 0.75 | ACSEM-CMP-0050 | 7.00 |
| ACSEM-CMP-0043 | 1.00 | ACSEM-CMP-0051 | 8.00 |
| ACSEM-CMP-0044 | 2.00 | ACSEM-CMP-0052 | 9.00 |
| ACSEM-CMP-0045 | 2.50 | ACSEM-CMP-0053 | 10.00 |
| ACSEM-CMP-0046 | 3.00 | ... | ... |
| Nanometer Diamond Powder |
| Catalog Number | Median Particle Size (nm) | Water Base | Oil Base | Dry Powder |
| ACSEM-CMP-0054 | 25-35 | ✓ | - | - |
| ACSEM-CMP-0055 | 45-55 | ✓ | - | - |
| ACSEM-CMP-0056 | 75-85 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0057 | 90-110 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0058 | 110-130 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0059 | 140-160 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0060 | 180-220 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0061 | 280-320 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0062 | 450-550 | ✓ | ✓ | ✓ |
| ACSEM-CMP-0063 | 750-850 | ✓ | ✓ | ✓ |
Choose Alfa Chemistry
With extensive experience in advanced materials and precision processing applications, Alfa Chemistry is committed to providing high-quality diamond powder solutions for a wide range of research and industrial needs. By utilizing premium diamond raw materials, strict quality control standards, and advanced production technologies, we ensure excellent particle uniformity, stable performance, and reliable product quality. In addition to comprehensive product specifications, we provide diamond powders with customized particle sizes to meet diverse customer requirements in precision grinding and polishing applications.
