Standard Test Sieve Seamless circle or with seam Aperture:2um-125mm 200mm(8")dia.*50mm height, 300mm (12")dia.*60mm height Woven wire mesh test sieve8inch,12inch,18inch Diameter:200mm,300mm,315mm,450mm Aperture:25um-6.7mm Perforated plate test sieve8inch diameter 200mm,300mm,315mm,Aperture:4mm-125mm Washing sieveSieve Frame 200mm diameter 200mm deep MaterialStainless steel mesh +stainless steel ...