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Tree Sand Technical Info
Heicom tree sand is a special mix of washed, semi-rounded silica sand
and organics blended to a formula developed following research by
Dutch Universities in the 1980's.
The typical composition is:
| Component | | Value |
| 4.00 mm |
|
0.0 % |
| 2.00 mm |
|
0.2 % |
| 1.00 mm |
V. Coarse sand |
2.7 % |
| 500 µm |
Coarse sand |
12.6 % |
| 250 µm |
Medium sand |
58.3 % |
| 150 µm |
Fine sand |
19.3 % |
| 125 µm |
Fine sand |
2.2 % |
| 63 µm |
V. Fine sand |
2.3 % |
| -63 µm |
Silt |
0.9 % |
| Clay grade |
1.4 % |
| Total |
100.0 % |
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| Water permeability |
225 mm/hr |
| Organic content |
4.9 % w/w |
| pH Value |
7.5 |
| Moisture content |
14.5 % w/w |
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