测试筛

12" sieve and 200mm sieve are produced by the standard ISO3310-1/2:2000. The aperture sizes are from 3.35mm to 0.038mm. The frames and covers are made of stainless steel while the wire cloth is in all kinds of material such as brass, bronze, stainless steel and copper. 75mm sieve is available in aperatures sizes from 500 micro to 5 micro, with allowance ±2 micro, in accordance with the standard ISO 3310-3:2000. The screen is eletroformed, and its frams and covers are made of quality stainless steel. It is mainly used for precise classification of the minute granule materials and is widely used in metallurgy, abrasive , construction industries and research lab. Other special apertures are availabe on request.