NorCal - Horticulture Perlite              Technical Specifications
Physical
Properties
Element
Analysis
Color - Form
Loose Granules
Silicon
34%
Density Range
3-8 Lb/Cu ft
Aluminum
7.50%
pH Value
6.5-7.0
Potassium
3.50%
Fusion Point
2,300-3,400F
Sodium
3.50%
Specific Gravity
.01-.04
Calcium
0.60%
Soluble % with H2o
5%
Iron
0.60%
-
-
Magnesium
0.20%
-
-
Trace Elements
0.20%
-
-
Oxygen (by difference)
49.90%
NorCal - Horticulture Perlite               Typical Product Specification
Metric
Fines N-100
Standard #2
Screened #2s
Premium #3
Hydro 4+ Plus
Granule Size (n"/n")
1/16"--2/16 "
1/16"--5/8"
1/16"--3/16"
1/8"--/5/8"
1/8"--5/8"
Mesh Range
8-50
4-50
4-50
4-30
3-8
Loose Density
7.0-8.5 LBS
6.5-8 LBS
6.5-8 LBS
6.5-8 LBS
6.0-7.5 LBS
US Sive #4
-
-
-
-
53-63%
US Sive #6
-
-
-
-
90-98%
US Sive #8
40-50%
55-65%
55-65%
60-70%
95-100%
US Sive #16
-
84-88%
85-90%
88-92%
-
US Sive #20
80-85%
-
-
-
-