Question: How big are silica particles, in microns?

warren is asking a question about pm
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by warren | September 19, 2017 20:43 | #14912

We're working on a simple #microscopes project with @partsandcrafts, and want to know if silica dust would be visible -- how big is it, generally?


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@gretchengehrke mentioned 5 microns for "respirable airborne particles", in her post here:

Citing @mathew (Silica dust less than 5 ?m in diameter is respirable) here: also linking to

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