What is the mesh size required for a very fine powder?

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Multiple Choice

What is the mesh size required for a very fine powder?

Explanation:
Mesh size tells you how large the openings are in a sieve; higher mesh numbers mean smaller openings and thus finer particles. For a very fine powder, you want a sieve with a high mesh number because it will let only the tiny particles pass through. Among the given options, the range around 120–200 mesh has the smallest openings compared with the others, producing the finest particle size. The lower ranges (60–100, 40–60) correspond to coarser powders, and even though 200–300 is very fine, it’s outside the typical “very fine” range used here and not as practical as the 120–200 range for standard very-fine powders.

Mesh size tells you how large the openings are in a sieve; higher mesh numbers mean smaller openings and thus finer particles. For a very fine powder, you want a sieve with a high mesh number because it will let only the tiny particles pass through. Among the given options, the range around 120–200 mesh has the smallest openings compared with the others, producing the finest particle size. The lower ranges (60–100, 40–60) correspond to coarser powders, and even though 200–300 is very fine, it’s outside the typical “very fine” range used here and not as practical as the 120–200 range for standard very-fine powders.

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