1.ISO 565, 3310-1 2.General size: 3", 8", 12", 200,300 mm etcs 3.Industrial, Fertilizer, Foods, Minerals,Pharmaceuticals etc Standard test sieve is actually a very valuable instrument used for Quality Control every day. Sieving remains a very cost efficient method of measuring particles, producing consistent, repeatable results. Standard Test Sieve diameters include 3", 8", 12", 200 mm, and 300 ...