1. Additive
for the cleaning
of extrusion dies
CLARIS
9346 MB

2. CLARIS 9346 MB
In the aluminium industry, the extrusion dies are regularly
cleaned by heating caustic soda baths, the aluminium scraps
trapped into the die body are brought into solution through an
exothermic reaction. This process involves the consumption of
significant amounts of soda ash, which must be dismissed of
at the end of the cleaning bath’s life cycle. The corrosiveness of
soda ash combined with high operating temperatures close or
above to 100°C generate corrosive and dangerous fumes, and
furthermore, the formation of sodium aluminate fouling, implies
continuous maintenance work, which is complicated by the
corrosiveness of the liquid solution.
ALIT’s answer to this need is the additive CLARIS 9346 MB,
entirely developed in our laboratories.
Claris is an additive developed for the extrusion
die cleaning systems for aluminium profiles;
the liquid state easily allows automated dosing.
PRODUCT ANALISYS
The correct amount of soda ash, and
the maximum aluminium content
dissolved in the matrix cleaning bath
can be accurately determined by simple
chemical analysis, easily performed
by process operators. If necessary, the
amount of CLARIS 9346MB can also be
determined by following the analysis
instructions in the product data sheet.
The possibility to detect these values,
along with the improved thermal stability
of the bath after addition of Claris 9346 MB,
will make the entire process easier to
manage by the operator.

3. The use of Claris 9346 MB generated
different benefits such as the saving of large
quantities of caustic soda, reduction of energy
consumption and improved extrusion dies cleanliness.
ADVANTAGES
It improves the general cleanliness of the extrusion die, facilitating the dissolution of
aluminium residues that often gather in the most inaccessible points of the die.
It enhances the production of softer, pumpable sludge,
thus preventing the formation of fouling in the matrix cleaning system.
It considerably increases the service life of the bath.
If appropriately dosed, it maintains the working temperature of the die-cleaning bath
at around 90°C, thus reducing fumes emissions and evaporation consumption.
Maintaining the temperature in the process tank means an average energy savings of 20%.

4. Via Cavalieri D’Italia, 7
37047 - San Bonifacio (VR) - Italy
Phone +39 045 245 6638
Fax +39 045 853 8097
info@alit-tech.com
www.alit-tech.com
ALIT Technologies
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Images are for illustrative purposes only
This version replaces all the previous ones. Information is provided based on our
best knowledge and awareness at the time of printing and it reflects our experience
in our laboratory and in practice. This information should only be considered as a
recommendation to be adapted to any specific needs. Since the use of our products
and systems is not subject to our influence, we cannot offer any type of guarantee or
insurance. First edition of 20.02.2023.
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