Introduction
 According to the screen surface material, Φ300 test sieves are devided into a metal wire cloth test sieves and metal perforated plate test sieves. Test sieves of metal wire cloth adopt national standards GB / T6003.1-1997. Its basic mesh size is 2.36mm-0.038mm, in line with international standards ISO3310-1: 1990 R20 / 3, R20, R40 / 3 series, the screen is made of brass, bronze, stainless steel. Test sieves of perforated metal plate using the national standard GB / T6003.2-1997, in line with international standards ISO3310-2: 1990 R20 / 3, R20, R40 / 3 series, the screen is made of copper, and electrochemical processing. 

Φ300 test sieve frame, screen cover, made of high quality stainless steel sieve bottom refined. 

Φ300 test sieve is mainly used to detect particle size analysis of materials, widely used in abrasives, the worthy, screening detection metallurgy, pharmacopoeia, chemical and building materials industries granular materials.

Test  sieve machine applications 

Widely used in food, medicine, chemicals, abrasives, pigments, mining, metallurgy, geology, ceramics, defense and other industries research institutes, laboratories, laboratory, production control, testing and analysis. 

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