| Bl
ack Hills NO 4 MSDS Sheet |
| Description |
Unaltered Sodium Bentonite |
| Application |
For blanket seals of ponds, lagoons, and sanitary
landfills. |
Typical
Chemical Analysis
|
| ELEMENT |
% |
ELEMENT |
% |
| SiO2 |
64.7 |
CaO |
1.8 |
| A12O3 |
17.6 |
K20 |
.46 |
| Fe2O3 |
4.4 |
Na2O |
2.5 |
| MgO |
1.8 |
TiO2 |
.16 |
|
|
H2O (Crystal) |
5.9 |
|
| Specifications |
TYPICAL SCREEN ANALYSIS: |
Mesh (ASTM E
11) |
% Retained |
| 4 |
5.7 |
| 6 |
19.8 |
| 8 |
15.5 |
| 10 |
13.0 |
| 20 |
17.0 |
| 30 |
6.0 |
| Pan |
23.0 |
|
|
|
| Moisture |
Average 12 - 15% |
|
|
| Viscosity Swell |
Average 18 - 22 cc |
| Fann @ 600 rpm |
|
|
|
| Colloid Content |
Average 60 - 65% |
| (2% Solution) |
|
| Bulk Density |
70 - 72 lbs. per cubic foot |
| Specific gravity |
2.0 - 2.25 gm/cc |
| pH |
8.5 - 9.5 |
|
