Standard test sieve national standard test sieve

Standard test sieve
Φ75 test sieve, mainly for fine particles accurate screening test. Widely used in geological prospecting, metallurgy, abrasives, building materials and other industries and universities, research institutes screening to detect the precise size analysis, referring to the use of national standards ISO3310-3: 1990 standards, mesh size of 500μm-5μm

The standard screen size as follow:

8# (2.63 mm).10# (2.00 mm).12# (1.70 mm).14# (1.40 mm).16# (1.18 mm).18# (1.00 mm) .20# (0.85 mm).25# (0.71 mm).30# (0.60 mm). 
35# (0.50 mm).40# (0.425 mm).45# (0.355 mm).50# (0.30 mm) .60# (0.25 mm).70# (0.212 mm).80# (0.18 mm).100#(0.15mm).120# (0.125 mm) 140# (0.106 mm).170# (0.09 mm).200#(0.075mm).230#(0.063mm). 270# (0.053 mm).325# (0.045 mm).400# (0.038 mm).500# (0.028 mm)

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