Typical Properties - "Fish
Springs" Perlite Ore - (Crude)
| Form and Color |
Gray, Granular |
| Specific Gravity |
2.5 |
| Loose Density |
65 lbs. per cubic foot |
| MOHS Hardness |
5 to 6 |
| pH |
Neutral |
| Fusion Point |
1700 - 1800 F |
| Solubles - Water |
0.08 |
| Solubles - Hot Hcl (1:3) |
1.5 |
Typical Chemical Analysis %
By Weight
| Loss on Ingnition |
3.2 |
| SiO2 |
75 |
| Al2O3 |
13.2 |
| Fe2O3 |
0.7 |
| CaO |
0.5 |
| MgO |
Trace |
| Na2O |
4.3 |
| K2O |
4.6 |
Typical Sieve Analysis
- Percent Weight Retained, Cumulative
|
US Standard Sieve
|
814
|
1220
|
1240
|
4500
|
A-100
|
|
6
|
0-5
|
-
|
-
|
-
|
-
|
|
8
|
30-50
|
0-1
|
-
|
-
|
-
|
|
12
|
70-90
|
20-40
|
0-8
|
-
|
-
|
|
14
|
-
|
-
|
12-25
|
-
|
-
|
|
16
|
94-99
|
45-70
|
25-40
|
-
|
-
|
|
20
|
97-99
|
75-95
|
55-75
|
t
|
-
|
|
30
|
97-99
|
95-100
|
80-95
|
0-4
|
-
|
|
40
|
-
|
95-100
|
95-100
|
7-20
|
-
|
|
50
|
-
|
-
|
-
|
22-45
|
-
|
|
100
|
-
|
-
|
-
|
67-88
|
0-50
|
|
200
|
-
|
-
|
-
|
90-99
|
35-65
|