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This product is refined and sized from silica rock which is mined out at our Izu Silica Rock Mines.
This product is optimal as a carrier for agricultural chemicals because of porous characteristic.
Izu Silica Rock is porous because ingredients other than SiO2 melted away by hydrothermal metamorphism.
| Chemical Composution |
Grain Size |
SiO2
Al2O3
Fe2O3 |
95%min
1.5%max
1.0%max |
>1,000μm
>300μm
<300μm
<250μm |
1.9%
97.5%
0.6%
1.6% |
| pH |
4.5 |
Natural Inclination |
40° |
| Surface oxidation |
3 |
Oil absorption |
5% |
| Bulk density |
1.3gr/cc |
Attached Moisture |
0% |
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Shiba-Boat Bldg 6F, Shiba 3-1-15, Minato-ku Tokyo, Japan 105-0014
TOKAI KOGYO Co., Ltd Silica Resources Dep. Sales Div.
Phone 81-3-5419 9012 Facsimile 81-3-5419 9018 |
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