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EVERS - Quartz Sand and Quartz Gravel Use in Single-Layer Filtration System
Quartz sand is mined from natural sources and refined by washing, drying and sieving in accordance with EN 12904. Quartz sand is nearly round in grain shape and has a generally smooth surface. It is preferred for use as the bottom layer in dual media filters and also for use in single-layer filtration. Coarse quartz gravel, i.e. grain sizes > 2 mm, is available for use as support gravel.
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bulk density
- SiO2: approx. 97.0 %
- Al2O3: approx. 1.1 %
- Fe2O3: approx. 0.3 %
- Loss on Ignition: approx. 0.2 %
- Specific density: approx. 2.65 g/cm³
- Bulk density: approx. 1400 - 1600 kg/m³
- Hardness: approx. 7 Mohs
- 0.4 - 0.8 mm
- 0.63 - 1.0 mm
- 0.71 - 1.25 mm
- 1.0 - 1.6 mm
- 2.0 - 3.15 mm
- 3.15 - 5.6 mm
Other grain-size ranges can be supplied in accordance with your specific requiremants.
Quartz sand complies fully with the following standards and regulations:
- EN 12904
- German Drinking Water Ordinance 2001
- DIN 19643
- DVGW work sheet W 213
- ÖNORM 6216
- AWWA B 100-16
- Drinking water treatment
- Sea water desalination
- Wastewater treatment
- Water treatment in swimming pools
- Process water treatment
- 25 kg PE bags on Euro or one-way pallets
- 1000 kg big bags
- Bulk transport in silo trucks