Sieve analysis or gradation test is one of the most basic procedure in Civil engineering to determine the particle size distribution of a given sample (mostly sand).
Design based on the IS 460
The Diameter Of Seive-20cm
Available in the range of 4.75 mm,2.8mm,2.36mm,1.18mm,600micron,425micron,300micron,150micron,90 micron,75micron,45micron and lid and pan
90 micron(20cm), 75 micron(20cm), 45 micron(20cm), 40mm to 150 micron(20cm)