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Alfa Aesar is pleased to offer a series of USA Standard Sieves. The brass frame, stainless steel mesh sieves meet ASTM E11 requirements and all current amendments. These sieves are full height. Three inch diameter sieves are one inch deep; eight inch diameter sieves are two inches deep; twelve inch diameter sieves are three inches deep. Sieve covers, made of polished brass, have a recessed wire handle.
Multiple diameters and mesh sizes are stocked to fulfill all your sizing needs. Mesh size is checked using a Nikon optical comparitor to confirm conformity with ASTM E11 and amendments. The superior quality of these sieves guarantees accuracy and reproducibility. Their sturdy construction ensures easy stacking for many years. Other mesh sizes, depth and diameters are available.