Bentonite
BENTONITE
Specification
No | SPECIFICATION | UNIT | REQUIRED | RESULT |
A. Bentonite ND-DMC |
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1 | Density | g/cm3 | 1.063 max |
1.054 |
2 | Volumetric efficiency |
m3/ton | 10 max |
12.7 |
3 | Sand content |
% | 6 max |
2.4 |
4 | Residue greater than 200 mesh |
% | 10 max |
1.8 |
5 | Filtrate water |
ml/30 min |
20 max |
17 |
6 | Moisture content |
% | 11 max |
10.5 |
B. Bentonite API |
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1 |
Viscometer dial reading at 600 rpm |
CP |
30 min |
32 |
2 | YP/PV ratio * |
- |
3 max |
2.6 |
3 | Residue greater than 75 µm |
% |
4 max |
1.6 |
4 | Filtrate water |
ml/30 min |
15 max |
13.6 |
5 | Moisture content |
% |
10 max |
9.7 |
* Rheological properties
Reading at 600 rpm | Reading at 300 rpm | PV (R600-R300) | YP (R300-PV) |
32 | 25 | 7 | 18 |