HMK-22 Fisher Sub Sieve Sizer/Average Particle Size Analyzer (FSSS) is the right tool for subsieve analysis and is an excellent substitute for Fisher model 95. It satisfies international standards completely based on ASTM B 330 Standard Test Method for Fisher Number of Metal Powders and Related Compounds and ISO 10070 Metallic powders determination of envelope-specific surface area. This is confirmed from the measurements of air permeability of a powder bed under steady-state flow conditions.

HMK-22 Fisher Sub Sieve Sizer is an essential and satisfying testing method in production and research field applications such as powder metallurgy, magnetic materials, refractory metal, special ceramics, tungsten materials, hard metal, nonferrous metal, nonmetal, chemical industries, building materials, national defense function material, and many powders and is the most consistent and economic fisher sub sieve sizer for sale.