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SILICA SAND & GRAVEL FILTER MEDIA ADVANTAGES • No chemicals to purchase for maintenance. • Durable material with long life and temperature range. • Sub-Angular shape enhances filtration properties • Ideal for non-silica sensitive sub-fill requirements. • High Density TYPICAL PHYSICAL & CHEMICAL CHARACTERISTICS • Weight per cubic foot – 100 pounds • Apparent Specific Gravity –(ASTM C 128) >2.5 • Hardness – 6-8 MOH scale • Acid Solubility (AWWA B100) - <5% • Sphericity and Roundness (API RP56) - 0.6 • Sodium Soundness (ASTM C88) - <15% • Test for Clay (ASTM C40 or C117) - plate 1 and 2 • Average Analysis
􀂃 Silica (SiO2) 98-99% 􀂃 Aluminium Oxide (Al2O3) .03 - .3% 􀂃 Iron Oxide (Fe2O3) .03 – .3% 􀂃 Sodium Oxide (Na2O3) to 0.05% 􀂃 Potassium Oxide (K2O) to 0.05% 􀂃 Titanium Oxide (TiO2) to 0.05% 􀂃 Manganese Oxide (MnO2) to 0.05% 􀂃 Magnesium Oxide (MgO) to 0.05% Slica Sand, Filter Media, Sand Filter, Media For Sand Filter, Filter Media Replacment.
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