Silica Sand

-it has high permeability
-high ability for passing gas
-excellent flow ability
-ability to fill all corners of mold and excellent collapsibility
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    Silica Sand

Chemical Analysis

Sio2Al2O3Fe2O3CaoNa2OK 2OL.O.I
97 -990.4 - 1.70.2 - 0.60.07 - 0.20 - 0.010.02 - 0.060.01 - 0.35

Sizes
WT90WT60WT50WT40
50-180 mm180-350 mm350-600 mm0.7-1 mm
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