FILTER AND WATER WELL 
S

ILICA 

S

ANDS 

&

 

G

RAVELS

 

 

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® Quikrete Canada Holdings, Limited. Manufactured by Target Products Ltd. ©2019  Quikrete International, Inc. 

 

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TYPICAL CHEMICAL ANALYSIS and PROPERTIES 

 

STANDARD FILTER SAND 

Chemical Compound 

Typical Value, % weight 

Silica 

SiO

2

 

93.2 – 95.6 

Alumina 

Al

2

O

3

 

3.5 – 4.6 

Iron Oxide 

Fe

2

O

3

 

0.30 – 0.35 

Calcium Oxide 

CaO 

0.25 – 0.65 

Magnesium Oxide 

MgO 

0.08 – 0.15 

Potassium Oxide 

K

2

O 

0.70 – 0.90 

Sodium Oxide 

Na

2

O 

0.65 – 0.85 

Titanium Oxide 

TiO

2

 

0.1 maximum 

Loss on Ignition 

0.3 maximum 

 

PREMIUM FILTER SAND 

Chemical Compound 

Typical Value, % weight 

Silica 

SiO

2

 

98.0 – 99.0 

Alumina 

Al

2

O

3

 

0 – 0.3 

Iron Oxide 

Fe

2

O

3

 

0 – 0.2 

Calcium Oxide 

CaO 

0 – 0.2 

Magnesium Oxide 

MgO 

0 – 0.3 

Potassium Oxide 

K

2

O 

0 – 0.2 

Sodium Oxide 

Na

2

O 

0 – 0.4 

Titanium Oxide 

TiO

2

 

0 – 0.2 

Loss on Ignition 

0 – 0.1