Filter Media 20/40 Typical Gradation Analysis
Sieve Size
% Passing
(Typical)
#8
#12
#20
#30
#40
#50
#70
Pan (T)
100%
100%
84%
9%
0%
0%
0%
0%
% Passing Range
Low
High
100%
100%
80%
5%
0%
0%
0%
0%
% Retained
(Individual)
100%
100%
85%
10%
0%
0%
0%
0%
0%
0%
16%
75%
9%
0%
0%
0%
100% 90% 80% % Passing 70% 60% 50% 40% 30% 20% 10% 0% #8 #12 #20 #30 #40 #50 #70 SIeve Size % Passing (Typical) % Passing Range Low % Passing Range High Pan (T) Filter Media 40/70 Typical Gradation Analysis
Sieve Size
% Passing
(Typical)
#30
#40
#50
#70
#100
Pan (T)
100%
100%
9%
2%
0%
0%
% Passing Range
Low
High
100%
100%
5%
3%
0%
0%
% Retained
(Individual)
100%
100%
10%
3%
0%
0%
0%
0%
91%
7%
2%
0%
100% 90% 80% % Passing 70% 60% 50% 40% 30% 20% 10% 0% #30 #40 #50 #70 #100 SIeve Size % Passing (Typical) % Passing Range Low % Passing Range High Pan (T) Filter Media Fine (Sugar Sand) Typical Gradation Analysis
Sieve Size
% Passing
#30
#40
#50
#70
#100
#140
#200
#270
Pan (T)
100%
99.2%
95.2%
80.4%
39.4%
9.4%
1.3%
0.4%
0.0%
% Retained
(Individual)
0%
0.8%
4.0%
14.8%
41.0%
30.0%
8.1%
0.9%
0.4%
Typical Physical Properties
Grain Shape
Hardness (Mohs)
Melting Point
Round
7
3100
Mineral
pH
Specific Gravity
Quartz
6.8
2.65
Typical Chemical Analysis, %
Sio2 (Silicon Dioxide)
Fe2O3 (Iron Oxide)
Al2O3 (Aluminum Oxide)
TiO2 (Titanium Dioxide)
CaO Calcium Oxide)
99.8
0.017
0.09
<0.01
<0.01
MgO (Magnesium Oxide)
Na2O (Sodium Oxide)
K2O (Potassium Oxide)
LoI (Loss On Ignition)
<0.01
<0.01
0.04
0.1
Filter Gravel 1/8 x 1/4 Typical Gradation Analysis
Sieve Size
% Passing
(Typical)
3/4
1/2
3/8
#4
#10
#12
#20
#40
#50
Pan (T)
100%
100%
100%
62.0%
0.5%
0.3%
0.2%
0.2%
0.1%
0%
% Passing Range
Low
High
100%
100%
100%
60%
0%
0%
0%
0%
0%
0%
% Retained
(Individual)
100%
100%
100%
65%
1%
1%
1%
1%
1%
0%
0%
0%
0%
38.0%
61.5%
0.2%
0%
0%
0.1%
0.1%
Fineness Modulus: 4.37
100% 90% 80% % Passing 70% 60% 50% 40% 30% 20% 10% 0% 3/4 1/2 3/8 #4 #10 #12 #20 #40 #50 SIeve Size % Passing (Typical) % Passing Range Low % Passing Range High Pan (T)