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.

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.

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.

effective size: c/^q j, with a maximum deviation of ± 5 %;uniformity coefficient: (U), shall be less than 1,5minimum 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.

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.

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.

Wide Varieties of Packing of Silica Sand For Water Filtration

Small bags of 25kg or 50 kgBig Bags of 1500kgWe customize the packing according to client

requirementPrivate label can be arrangedBags either PP or PE or PP laminatedBags can be mounted on EURO pallets We have long

Experience of shippingWe can ship on trucks of domestic Trans potationload in 20 feet for overseas shipping

Characteristics of Silica SandColor 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]