20 Silica Sand

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Silica Sand

Filter sand is an extremely effective filter media because of its ability to hold back precipitates containing impurities. Filter sand size, angularity and hardness are the important filter sand characteristics to ensure proper filtering. Products meet or exceed the NSF/ANSI Standard 61 for Drinking Water System Components, as well as AWWA Standard B100-01.

20 Silica filter sand is an extremely effective filter media because of its ability to hold back precipitates containing impurities in sand filters for industrial water wells. Filter sand size, angularity and hardness are the important filter sand characteristics to ensure proper filtering. Products meet or exceed the NSF/ANSI Standard 61 for Drinking Water System Components, as well as AWWA Standard B100-01. Sand water filters are inexpensive and effective.

Physical Specifications
Effective Sizes: .20mm - 2.5mm
Uniform Coefficient: 1.3 - 1.7
Specific Gravity: 2.67
Moh's Hardness: 7
Density: 105 - 115 lbs per cubic foot

Sieve Analysis

Silica Sand | Typical Sieve Analysis - Percent Passing

STANDARD SIEVE: OPENING INCHES; #12 (10-20); #16; #20 (20-40); #30 (40-60); #60 (40-100)

#12: 0.0661; 99.5

#14: 0.0555; 81.7; 93.6

#16: 0.0469; 57.3; 80.8

#18: 0.0394; 36.8; 57.9

#20: 0.0331; 16.4; 43.5; 99.8

#25: 0.0278; 7.5; 47.3; 88.2; 96.2

#30: 0.0234; 4.6; 17.3; 49.6; 78.1

#35: 0.0197; 3.0; 25.5; 35.8

#40: 0.0165; 0.4; 9.7; 15.6; 97.7

#45: 0.0139; 0.2; 5.6; 3.8; 80.8

#50: 0.0117; 2.6; 0.7; 64.5

#60: 0.0098; 0.2; 42.2

#70: 0.0083; 23.8

#80: 0.007; 9.1

#100: 0.0059; 4.7

#140: 0.0041; 0.5

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