Standard Brass Sieves IS : 460 (Par t- I,II) 1978 200mm Dia:Product description:Test Sieves are used for sieving of chemicalpowders, medical powders, aggregate, sandSoil and cement etc. These sieves aremanufactured as per various standards likeISS, BSS, and ASTM. Test Sieves are made ofbrass frame and G.I.frame of dia 200mm, 300mm & 450mm sizes. The Sieve cloth usedisStandard SS or bronze wire mesh. TheG.I.Frames sieves manufactured normallyinsizes 300mm dia and 450mm dia with steelperforated sheet having accuratelypunchedSquare holes.