Aqua-Techniek B.V.
Nijverheidsweg 15a
3225 LL Hellevoetsluis
The Netherlands

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
Type 1

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.
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