Poor MST of the natural
latex is a matter of concern to the processor of natural latex.
It not only causes loss of rubber due
to lump formation even during storage but it can
also pose different problems
depending upon the process. In the manufacture of Rubber
Foam it will cause a premature
gellation compelling the processor to reduce the primary
gelling agent. As is well known in
the trade, this will result in the poor structure of foam.
In the case of rubber thread where
the latex has to pass through the orifice, poor MST
can result in breaking of the thread
and uneven diameter of the thread. In the production
of dipped goods the action of moulds
being dipped in and out of the bath, causes loss of
rubber due to skin formation and
results in an uneven deposition. It is observed that in
compounded Latex the MST comes down
considerably due to dilution. Addition of Stabex
to the Latex before compounding
reduces this problem.
is a Fatty
Amine Sulfonate that counters the action of VFA and Polyvalent salts
thereby increasing the MST. Its pH is
adjusted to be compatible with the latex. It is fully
water soluble and miscible with the
latex. It has no detrimental effect on the latex even
if it is mixed with latex and stored
for a very long time. Stabex also is low foaming and
does not unduly increase the chemical
stability of the latex so that the destabilisation
of the rubber particles is not
It is a proprietary blend based on Fatty Amine
yellowish liquid that may show some haziness on standing
||9 to 10.5
30 ± 1%
How to use Stabex
Only about 200-300 gms to 1.0
Kg of Stabex is required to be added per barrel of latex.
be added to the latex as soon as the
drums arrive at the factory and stored as usual.
Alternatively it can be added to the
latex just at the time of deammoniation.
available in 50 Kg HDPE carboys
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