Aqua-sand / Silica sand, Filtersand
Aqua-sand is a 100 % natural silica sand, through an elaborate refining process, together with constant quality control, elevated to a top quality media - free of clay, dust, organic matter or any other contamination, thus meeting all international standards.
Aqua-sand assure:
- high purity of the treated water,
- longer life of the filter beds,
because of:
- high silica content,
- accurate grading through thorough classification,
- chemical resistance.
Applications:
Filtration of
- potable water, surface water as well as ground water,
- swimming-pool water,
- waste water,
- sewage.
Chemical analysis |
Average
figures
|
EN 12904
Type 1 |
|
|---|---|---|---|
| SiO2 | mass-% | > 97 | > 96 |
| Fe2O3 | mass-% | < 1 | < 2 |
| Al2O3 | mass-% | < 1 | < 3 |
Physical characteristics |
Average
figures
|
EN 12904 |
|
| Density | g/cm3 | 2.6 | 2.5 - 2.8 |
| Bulk density | kg/m3 | 1500 | 1400 - 1700 |
| Acid solubility 24 h in 20% HCl |
mass-% | < 1 | < 2 |
| Shape | round, spherical |
| Colour | white, white to yellow |
| Sizes available | Sizes to all international standards upon request. We produce special sizes perfectly meeting customer’s specification as to the effective size and uniformity coefficient. |
Packaging
- 25 kg PE-bags, palletised and shrink-wrapped,
- Big bags,
- Bulk-carriers.
