Sand


Naturally occurring, loose sedimentary rock composed of individual sand grains with a grain size of 0.063 to 2mm.

Sands are important raw materials in the foundry industry where they are used as molding base material and are thus referred to as foundry sands. Sand ranges between fine gravel (grain size 2 to 6.3mm) and coarse clay (grain size 0.002 to 0.063mm).

Additional references:
Mold sand
Quartz
Fused-silica sand
Quartz sand

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