Tungsten Carbide Powder Particle Size Sieving Standard
According to the 2019 version of the national standard of tungsten carbide powder, the particle size sieving standard of tungsten carbide powder should meet the following requirements:
1. For powder with average particle size less than 2um, the mesh size shall not be greater than 150um.
2. For powder with an average particle size of 3-10um, the mesh size shall not be greater than 75um.
3. For powder with average particle size greater than 10um, the mesh size shall not be greater than 180um.
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