Silica sand

Raw material: Natural silica

Mesh number: 18 × 40

Presentation: 50 kg bags

Applications:

Drinking water filtration

Tertiary filtration of waste water

Multimedia Water Filters

Sand filters

Industrial water treatment filters

Product images are illustrative and may vary from the physical product.

Silica sand or silica sand is a compound resulting from the combination of silica with oxygen. Its chemical composition is made up of a silica atom and two oxygen atoms, forming a very stable molecule: SiO₂.

This molecule is insoluble in water and is found in nature in the form of quartz. If the quartz is crystallized it is called Rock Crystal.

It belongs to the class of silicates and to the trigonal crystal system. This mineral is very rich in varieties, which can be grouped into Macro crystalline, with crystals well visible to the naked eye, and Cryptocrystalline, formed by microscopic crystals.

MOST IMPORTANT USES:

The industrial uses of silica derive from its important physical and chemical properties, especially its hardness, chemical resistance, high melting point, piezoelectricity, pyroelectricity and transparency.

The sands are used as a filter bed for purification and purification of water (for the retention of florets of very small sizes that are not separated by decantation) and due to their hardness they are used for the manufacture of bleaches, industrial abrasives and sandblasting.

It is a very important raw material in the composition of the formulas of detergents, paints, concretes and special mortars, and they constitute the basic raw material for obtaining silicon, as well as the basis for the manufacture of silica refractories and model sand , given its high melting point.

Chemical analysis
Composition
SiO₂
98.5%
FeO₃
0.054%
Al₂O₃
0.406%
Na₂O
0.010%
TiO₂
0.071%
K₂O
0.110%
CaO
0.010%

Typical values. These do not represent a specification.

Data sheet

Silica sand for filters

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