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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