INDUSTRY COMMUNICATION

05/Screening


Release time: 2019-11-05 16:24:00.000

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The traditional screening method for foundry sand is called three-screening method, which means that the concentration of three consecutive sieves is more than 75%. But this could not satisfy the need of the ceramic Sand, which is concentration of single sieve is more than 85%, and residual of two consecutive sieves is less than 15%. Because of the negative effect from the aluminum carbonate fiber and iron, the result of the screening is as follows:

14Mesh: 0.141mm     70Mesh: 0.212mm

20Mesh: 0.85mm      100Mesh: 0.153mm

30Mesh: 0.6mm       140Mesh: 0.105mm

36Mesh: 0.425mm     200Mesh: 0.073mm

50Mesh: 0.3mm       Over 200Mesh

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