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Filter Sand (for rapid and slow filtration)

Filter Sand(for rapid and slow filtration)?To use Filter Sand is a basic filtration method of water purification. Importance of Filter Sand, to work for physical treatment (catching the turbidity component) in rapid filtration and for biological treatment in slow filtration, is widely well-known. For the purpose of making the filtration rapider and water collection ratio more in recent years, the filter layer component and flow direction have been improved, the improved result and further improvement in quality are desired. We, as a manufacturer of Filter Sand, have investigated the quality control and manufacturing technology thoroughly since 1965.

Standard products of our Filter Sand (for rapid filtration)
Effective Size 0.35mm 0.5mm 0.6mm 1.0mm Size regulations
(JWWA A103-1:2006-2)
0.45 to 0.70mm
Uniformity Coefficient 1.5 maximum or 1.4 maximum 1.7 maximum
Maximum size 2.0mm maximum 2.8mm maximum 2.0 maximum
Minimum size 0.3mm minimum 0.3mm minimum
Appearance Clean and granular -

Note: At your request, we can manufacture Filter Sand of other Effective Sizes and Uniformity Coefficient. Please understand that there are tolerances included in the above Effective Sizes.

Standard products of our Filter Sand (for slow filtration)
Effective Size 0.30 to 0.45mm Size regulations
(JWWA A103-1:2006-2)
0.30 to 0.45mm
Uniformity Coefficient 2.0 maximum 2.0 maximum
Maximum size 2.0 maximum 2.0 maximum
Minimum size 0.18 minimum 0.18 minimum
Appearance Clean and granular -

Note: At your request, we can manufacture Filter Sand of other Effective Sizes and Uniformity Coefficient. Please understand that there are tolerances included in the above Effective Sizes.

Quality standard of our Filter Sand
  Our product sample No. 1 Our product sample No. 2 Quality standard
(JWWA A103-1:2006-2)
Specific gravity 2.64g/cm3 2.63g/cm3 2.57 - 2.67g/cm3
Washing turbidity 9 degree 16 degree 30 degree maximum
Ignition loss 0.3% 0.39% 0.75% maximum
Friability 0.40% 0.5% 3.0% maximum
Solubility in HCl 0.16% 0.3% 3.5% maximum

Packing: 20L in a PE bag, 0.6m3 in a flexible container bag (Palletizing available)

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