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Powder Mesh Sizes
Table to convert US and European units of powder particle size (granulometry) – Mesh / Sieve / Microns / mm / inches
Most of our food ingredients are in the range 20-200 Mesh
Please contact our friendly and knowledgeable technical sales colleagues to help guide you to the best grades of powders to suit your products.
|Mesh||Sieve Designation||Microns (μm)||mm||inches||Examples|
|1 in.||25.4 mm||25400||25.400||1.0000|
|7/8 in.||22.6 mm||22600||22.600||0.8750|
|3/4 in.||19.0 mm||19000||19.000||0.7500|
|5/8 in.||16.0 mm||16000||16.000||0.6250|
|0.530 in.||13.5 mm||13500||13.500||0.5300|
|1/2 in.||12.7 mm||12700||12.700||0.5000|
|7/16 in.||11.2 mm||11200||11.200||0.4380|
|3/8 in.||9.51 mm||9510||9.510||0.3750|
|5/16 in.||8.00 mm||8000||8.000||0.3120|
|0.265 in.||6.73 mm||6730||6.730||0.2650|
|1/4 in.||6.35 mm||6350||6.350||0.2500|
|No.3 1/2||5.66 mm||5660||5.660||0.2230|
|No. 4||4.76 mm||4760||4.760||0.1870|
|No. 5||4.00 mm||4000||4.000||0.1570|
|No. 6||3.36 mm||3360||3.360||0.1320|
|No. 7||2.83 mm||2830||2.830||0.1110|
|No. 8||2.38 mm||2380||2.380||0.0937|
|No. 10||2.00 mm||2000||2.000||0.0787|
|No. 12||1.68 mm||1680||1.680||0.0661|
|No. 14||1.41 mm||1410||1.410||0.0555|
|No. 16||1.19 mm||1190||1.190||0.0469|
|No. 18||1.00 mm||1000||1.000||0.0394|
|No. 30||595μm||595||0.595||0.0234||~ Granulated Sugar|
|No. 50||297μm||297||0.297||0.0117||~ Caster Sugar|
|No. 200||74μm||74||0.074||0.0029||200 Mesh and finer is normally considered Micronised|
|No. 230||63μm||63||0.063||0.0025||~ Icing Sugar|
Larger sieve openings (1 in. to 1/4 in.) have been designated by a sieve “mesh” size that corresponds to the size of the opening in inches.
Smaller sieve “mesh” sizes of 3 1/2 to 400 are designated by the number of openings per linear inch in the sieve.
The following convention is used to characterize particle size by mesh designation:
a “+” before the sieve mesh indicates the particles are retained by the sieve;
a “-” before the sieve mesh indicates the particles pass through the sieve;
typically 90% or more of the particles will lie within the indicated range.
For example, if the particle size of a material is described as -4 +40 mesh, then 90% or more of the material will pass through a 4-mesh sieve (particles smaller than 4.76 mm) and be retained by a 40-mesh sieve (particles larger than 0.420 mm).
If a material is described as -40 mesh, then 90% or more of the material will pass through a 40-mesh sieve (particles smaller than 0.420 mm).