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BENTONIT
D 140 
BENTONIT
D 140 is
manufactured from activated, selectively extracted and
processed bentonites
.
Selection
of raw materials and way of their processing are focused on
utilization of rheological properties of bentonite.
It
is characterized by following values:
|
Name
of the
product
|
Declared
properties |
Packing |
|
Fineness of
grinding |
Bulk
density |
Moisture |
pH |
Montmorillonite
content |
Paper
sacks |
Big
- bag |
Bulk
bentonite |
|
BENTONIT
D 140 |
min. 95 %
under 0,015
mm |
approx. 450
kg/m3 |
max.
12 % |
9
- 11 |
min.
75 % |
15
kg |
600
kg |
16
000 kg |
|
Declared
values:
|
Parameter
|
Declared value
bentonite-water suspension after 24 h |
|
Concentration
of suspension
(%) |
4 |
6 |
6.7 |
8 |
10 |
|
Volume
mass
(g/cm3) |
1.025 |
1.035 |
1.04 |
1.04 |
1.04 |
|
Viskozita
Marsh (s) |
46 |
- |
- |
- |
- |
|
Filter
cake (mm) |
0.1 |
0.2 |
0.3 |
0.3 |
0.4 |
|
Plastic
viscosity PV (mPa) |
7.0
- 7.5 |
2.5
- 6.0 |
2.0
- 5.5 |
0,5
- 3,0 |
1,0 |
| Apparent
viscosity (mPa/s=cP) |
10.5
- 11.0 |
17.8
- 24.5 |
21.5
- 29.5 |
30.3
- 40.8 |
59.5
- 76.3 |
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Yield
point lb/100ft2 |
6
- 8 |
23.5
- 44 |
32
- 55 |
54.5
- 80.5 |
117
- 150.5 |
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BENTONIT
D 140 is manufactured from natural raw material; reasonable differences
from declared properties may occur.
Use:
component of drilling mud for vertical drilling
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ENVIGEO,
a.s. (Inc.), ENVITAZ Division, Kyncelova 2, 974 11 Banska Bystrica, SLOVAKIA
Tel.:
+421 48 47124 30, Fax: +421 48 47124 23, E-mail: envitaz@envigeo.sk
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