Cairo Sand Filter media is used to clean pool water and sewage. We have small bag to big bags of packing the silica Sand and Gravel filter. for more detail, visit our website

1. Our product of filter sand and Filter Gravel Exported to more than 17 countries in all
over the World. We Are Extracting from High Quality Quarries with SIO2 more than
96.7% which was river sand since thousands of years. The raw materials is generally
Extracted from East Egypt, wadi el Natrun, Sadat City, Giza.
We produce and process our products in our own screening plant which biggest in
Egypt, that is why we confirm stability of quality in long term supplying with
Worldwide companies in field of water filtration and Water Treatment, we are
Exporting to many countries, Japan, Philippines, Greece, Spain, Georgia, Senegal, Syria,
Iraq, Georgia, Croatia, Kuwait, UAE, Egypt, Algeria, Qatar, Kuwait, Sultanate Oman,
Cyprus, Turkey, Malta, Libya, India, Iraq.

2.  Cairo Filter Sand is used to filter and clean Portable water
filters and pool filter and sewage treatment plant Purity
MORE Than 96%, Free of any organic materials, no clay, no
Radiation, no toxic materials.
 Cairo Filter Sand Meets EN12904 and AWWA B100-96 and
BS:910(1969)
 Chemical name(s)
Silica, silicon dioxide
 Synonym or common names
Silica sand and silica gravel.
 Commercial forms
Silica sand and silica gravel according to this standard are
available in different particle size ranges.

3. The product is a grey/white, yellow or multi colored
granular material.
The structure is crystalline, with a smooth to rough
texture.
The particle shape is spherical or angular depending
mainly on the origin and manufacturing procedure
(quarrying or dredging, or crushing
The product shall be generally homogeneous and shall be
visibly free of extraneous matter.

4. effective size: c/^q j, with a maximum deviation of ± 5 %;
uniformity coefficient: (U), shall be less than 1,5
minimum size : d* , with a maximum deviation of ± 5 %;
The maximum contents of oversize and undersize shall be a
mass fraction of 5 % for the application of the product in multi
media filters and a mass fraction of 10 % for use in single media
filters. For use as a support layer, maximum contents of oversize
and undersize of mass fraction of 15 % are acceptable.
The particle size of silica sand and silica gravel can decrease
during transportation and handling. Other values can be
necessary for certain applications.

5. Density of silica sand
 Bulk density loose of Filter sand and Filter Gravel
The bulk density loose shall be in the range of 1 400 kg/rn° to 1 700 kg/m .
 Bulk density packed of filter sand and filter Gravel
The bulk density packed shall be in the range of 1 500 kg/m3 to 1 900 kg/m3.
 Chemical properties of silica sand and Filter gravel
The minimum purity requirements for silica sand and silica gravel used for the
treatment of water intended for human consumption. Limits are given for
impurities commonly present in the products. Depending on the raw material
and the manufacturing process other impurities may be present and, if so, this
shall be notified to the user and when necessary to relevant authorities.

6. Cairo Filter Sand Features
 Full range of Grades and Practical Size from 0.200mm-350mm
 WE have our own lab for following up quality insurance with each Batch
 NO radioactive substance
 SIO2 min 96%
 Mechanical Strength of silica sand is High
 The bulk density of un-compacted Silica Sand may vary within 1400 kg/m3 to 1700 kg/m3.
 Mechanical Strength of silica sand is High
 Silica Sand Shape: is rounded.
 NO heavy metals
 NO TOXIC
 NO and polycyclic Aromatic Carbons (Suitable for Portable water treatment plants and
wastewater treatment).
 100% Natural sand.
 High acid solubility resistance in HCL
 Hardness 7Moh
 NO ODOR, No Dirt, No Stains
 is being screened and sieved into different grain sizes according to Effective sizes For each
filter systems.
 We have our own three screening plants which enable us to keep stability in quality and meet
large orders.

7. Wide Varieties of Packing of
Silica Sand For Water Filtration
Small bags of 25kg or 50 kg
Big Bags of 1500kg
We customize the packing according to client requirement
Private label can be arranged
Bags either PP or PE or PP laminated
Bags can be mounted on EURO pallets We have long
Experience of shipping
We can ship on trucks of domestic Trans potation
load in 20 feet for overseas shipping

8. Characteristics of Silica Sand
Color Brown/Yellowish(off White )
SiO2 96.90%
Fe2O3 0.29%
AL2O3 1.00%
K2O 0.07%
Turbidity <100
Hardness 6 – 7 Mohr
Attrition Loss below 1% in 100 hours backwashing
Acid Solubility below 2% [24hours in 20% Hal]