Filter Gravel - Anthracite Filter Media

Filtration Products - Filter Gravel

| Anthracite | Filter Sand | Filter Gravel | Garnet Sand | Bone Char | Coal Carbon | Coconut Carbon |
| Pelletized Carbon | Impregnated Carbon | Acid Washed Carbon | Greensand Plus | Micro Z |

Filter Gravels are mined from high quality aggregate reserves with high hardness physical properties. Thereby making them suitable for extended use with the water and wastewater filtration plants without deteriorations.

Our filter gravels meet or exceed the AWWA-B100 and ANSI/NSF-61 Standards.

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        1/4" X 1/8"                   3/4" X 1/2"

Physical Properties

Hardness (Moh�s Scale) - 7 Avg.
Specific Gravity - 2.65 Avg.
Density - 100 Lbs/Ft3
Color - Gray to Amber
Acid Solubility (AWWA B100) - < 1%
Porosity - 37 - 40%

Typical Chemical Analysis (%)

Silica as SiO2 - 90.27
Aluminum as Al2O3 - 4.53
Sodium as Na2O - 1.72
Potassium as K2O - 0.50
Iron as FeO - 0.77
Magnesium as MgO - 0.037
Calcium as CaO - 0.87
Titanium as TiO2 - 0.11
Iron Oxide as Fe2O3 - 0.087
Asbestos - None

Typical Sizes

1/8" X 1/16"
1/4" X 1/8"
3/8" X 1/4"
1/2" X 1/4"
3/4" X 3/8"
3/4" X 1/2"
1-1/2" X 3/4"

Packaging

50 or 100 Pound Bags
Supersacks