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SILICA SAND |
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NEWSLETTER |
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Silica is used in farming, market
gardening, horticulture and forestry in applications such as
soil conditioner or carrier for fertilizer and animal feed
additives. |
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No. |
Required Properties |
Specified Standards |
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1 |
Size
of the material |
0.500 - 1.00 mm |
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2 |
Washed
and dried sand |
.. |
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3 |
AFS |
15 - 20 |
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4 |
Coarse
Grain Size 0.850 - 1.00 mm |
Max. 27 % |
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5 |
Medium
Grain Size 0.500 - 0.850 mm |
Max. 70 % |
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6 |
Passing
0.500 mm |
Max. 3 % |
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7 |
Clay
Content |
Max. 0.5 % |
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8 |
Moisture
Content |
Max. 0.2 % |
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9 |
Specific
Gravity |
2.65 g / cc |
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10 |
Hardness |
5.5 - 8.00 mohs |
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11 |
SiO2 |
Min. 99.3 % |
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12 |
Al2o3 |
Max. 0.19 % |
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13 |
K2O |
Max. 0.02 |
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14 |
CaO |
Max. 0.02 % |
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15 |
MgO |
Max. 0.02 % |
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16 |
Na2O |
Max. 0.2 % |
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