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Water Filter Sand
Color: light brown to light red
Density: 100 lbs per cubic foot
Size: 0.20 – 3.0 millimeters
Acid Solubility: <1.0%
Specific Gravity: 2.67 > 2.60
Hardness: 6.0 – 8.0 on MOH scale
UC: 1.30 – <1.65
ANSI/NSF 61 Approved
AWWA Standard B100-01
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Red Flint Sand and Gravel water filter sand is composed of sub-angular, hard, durable, and dense grains of predominately siliceous material. Extracted from a clean glacial sand deposit, Red Flint Sand and Gravel ’s physical properties make it among the finest available in the world for filtration applications. Red Flint water filter sand is washed, kiln dried, and screened to meet EXACTING specifications with strict adherence to quality control.
Red Flint also specializes in custom grades of sand and gravel to meet your stringent specifications.
Red Flint Sand Selection Guide
TYPICAL SIEVE ANALYSIS - PRIMARY GRADES
Product
Effective Size |
2.00-
3.00 |
1.65-
2.0 |
1.2-
1.6 |
.80-
1.20 |
.70-
.80 |
.60-
.65 |
.45-
.55 |
.35-
.45 |
.20-
.30 |
| US Mesh |
Millimeters |
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| 4 |
4.75 |
99 |
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| 5 |
4.00 |
93 |
98 |
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| 6 |
3.35 |
67 |
90 |
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| 7 |
2.80 |
29 |
64 |
98 |
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| 8 |
2.36 |
6 |
42 |
95 |
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| 10 |
2.00 |
1 |
17 |
65 |
98 |
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| 12 |
1.70 |
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4 |
40 |
88 |
96 |
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| 14 |
1.40 |
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13 |
58 |
85 |
98 |
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| 16 |
1.18 |
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2 |
26 |
69 |
97 |
98 |
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| 18 |
1.00 |
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6 |
50 |
84 |
95 |
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| 20 |
0.85 |
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1 |
31 |
62 |
83 |
99 |
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| 25 |
0.71 |
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7 |
27 |
59 |
92 |
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| 30 |
0.60 |
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1 |
3 |
33 |
67 |
98 |
| 35 |
0.50 |
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11 |
33 |
88 |
| 40 |
0.425 |
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4 |
9 |
64 |
| 45 |
0.355 |
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1 |
39 |
| 50 |
.30 |
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23 |
| 60 |
0.25 |
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10 |
| 70 |
0.212 |
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8 |
| 80 |
0.18 |
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4 |
The above chart is representative of our primary product grades, specialty product sizes available upon request, including low uniformity coefficients.
DISCLAIMER: The information set forth in this Product Data Sheet represents typical properties of the product described; the information and the typical values are not specifications. Red Flint Sand & Gravel, LLC makes no representation or warranty concerning the Products, expressed or implied, by this Product Data Sheet.
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