藁城What are the classification standards for diamond micro-powder?

The classification standards for diamond micro-powder mainly involve particle size distribution and characterization parameters. The following are some common classification standards:

I. Particle Size Range and Classification

Coarse size area: such as D3 (uniform size is 3mm), D5 (uniform size is 5mm), D10 (uniform size is 10mm), etc.

Medium size area: such as D15 (uniform size is 15mm), D20 (uniform size is 20mm), D30 (uniform size is 30mm), etc.

Fine size area: such as D40 (uniform size 40mm), D50 (uniform size 50mm), D60 (uniform size 60mm), etc.

Ii. Parameters for characterizing Particle size distribution

D10: The particle size corresponding to a cumulative distribution of 10%, reflecting the proportion of fine particles. It is necessary to control the proportion of fine particles to avoid a decrease in grinding efficiency.

D50 (Median diameter) : It represents the average particle size and is a core parameter of particle size distribution, directly affecting processing efficiency and accuracy.

D95: The particle size corresponding to a cumulative distribution of 95%. Control the content of coarse particles. If D95 exceeds the standard, it is easy to cause scratches on the workpiece.

Mv (volumetric Mean Particle Size) : It is greatly affected by large particles and is used to evaluate the coarse-end distribution.

Iii. Commonly Used International Standards

ANSI: such as D50, D100, etc.

ISO: such as ISO 6106:2016, etc.

Iv. Specific Classification Requirements

Each particle size composition shall not contain particles larger than the maximum size of coarse particles.

Fine particle content: For particles finer than 3 to 6 microns, the content shall not exceed 8%. 4 to 8 μ m to 10 to 20 μ m, not exceeding 18%; The range of 12-22 μ m to 35-54 μ m shall not exceed 28%.

The minimum particle content: The minimum particle content of all particle sizes shall not exceed 2%.

These classification standards help ensure the quality and performance of diamond micro-powder, meeting the demands of various application fields. In practical applications, adjustments and formulations can be made according to specific needs. Meanwhile, with the continuous advancement of technology and the expansion of application fields, the classification standards for diamond micro-powder will also be constantly improved and developed.