Φ75 Test Sieve is consist of sieve frame, screen cover, sieve bottom through electrochemical processing, the parts are all made of high quality stainless steel, is mainly used for the precise testing for fine particle in the industry filed such as geological survey, metallurgy, abrasive, building materials in the universities and research institutes, which adopted International Standard ISO3310-3: 1990. Aperture size is 500μm-5μm(sheet 2), which allows the maximum permissible error of 2μm.
It is mainly used for the inspection of material particle with high hardness in the international standard ISO6106-79, the national standard GB/T6406-1996 "super hard abrasive, synthetic diamond or cubic chlorinated particle size"
Φ75 Test Sieve is consist of 37 per set, including 12 test sieves of metal wire cloth, and the mesh size is 200μm-300μm with the standard of international standards ISO3310-1: 1990 and the national standard GB/T60031-1997, and 25 Standard R40/3 series of precise electroformed sieves. Aperture size is 455μm-41μm which allows the permissible error range from 139μm ± 3μm to 127μm ± 2μm.
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