... ore,coal, petroleum, chemical filt 4.high:7-8cm Standard Test Sieves Standard Test Sieves diameters include 3", 8", 12", Special application ... " diameters and include air jet and wet test designs. All Standard Test Sieves are fabricated in brass and durable stainless ... ISO 565, 3310-1 specifications. Test sieving has been used for particle measurement for generations in the Agricultural, Bio-Industry ...