MPM's latest product offering
to supplement and complement their range of Lustrous
Carbon additives sold under their brand range 'Lustron' for use in green sand moulding practice in ferrous
foundries to improve surface finish and reduce sand
related defects on castings; is their range of Bentonite and processed Bentonite sold under their brand range
'MPM BONA' and 'PROBOND' respectively.
MPM BOND is a range of conventional but carefully
selected Sodium activated Bentonite from the world
renowned region of KUTCH in GUJRAT, INDIA. The typical
specifications of one of our general export quality
range are:
| Swelling Index: |
30-35 |
| PH: |
9 to 9.5% |
| Swelling time: |
Instantaneous, M.B. Value : 420 ML |
| Liquid Formation: |
500 Min |
| Gelling Formation
Index: |
70% |
| Size: |
99% through 100
mesh/90% through 200 mesh |
The above specifications are typical only. Since product
development is continual, we reserve the right to change
specifications at any time and also would co-operate
with the customer to offer tailormade specifications
as may ne decided time to time.
PROBOND is
our range of Bentonite which
is processed in our Mills to enhance the swell and
Bond properties
of MPM BOND. The aim is to improve/shorten
swell/gel times and to enhance bond capabilities
of conventional
Bentonite so that less quality over current uasge
at the time is required for addition in the green
sand
to achieve standard/current target GCS values of
a foundry green sand system.
The concept for use of processed Bentonite despite
higher cost is that less additions of additives
of any type in a green sand system improves sand
flowability,
allows the sand to 'breathe' better by improving
permeability, reduces dead clay and oolatization
and maintains sand
refractoriness; all essential to maintaining good
green sand performance on casting and related casting
defects.
Typical specifications for PROBOND are under development
and will be available for samples, trials and
application from July 2007.
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