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Chlorine and component
damage
Notes on using chlorine bleach and
perchlorethylene
~
Frequent use of chlorine increases
the risk of component damage.
The use of agents containing chlorine,
such as sodium hypochlorite and
chlorine bleach in powder form, can
damage the protective upper surface of
stainless steel and cause corrosion to
components. Factors affecting this are
chlorine concentration levels, contact
time and temperature. It is therefore
advisable to avoid the use of such
agents. Oxygen based bleaching
agents should be used instead.
If, however, chlorine based bleaching
agents have to be used for particular
types of soiling, then anti-chlorine
measures must also be carried out. If
this is not done irreparable damage
can occur to components in the
machine and to laundry.
Anti-chlorine treatment
Anti-chlorine treatment has to be
carried out immediately after chlorine
bleach has been used. The use of
hydrogen peroxide or an oxygen based
cleaning or bleaching agent is
recommended and the laundry should
not be drained in between.
With thiosulfate, especially when used
with hard water, gypsum can form,
which can lead to incrustations on
laundry or deposits in the machine. The
use of hydrogen peroxide is preferable
as it aids the chorline neutraliizng
process.The exact quantity of additives
and the treatment temperatures
required must be set and tested on site
in accordance with the dosage
recommendations of the detergent and
additive manufacturers. The laundry
must also be tested to check whether it
contains any active chlorine residues.
IMPORTANT SAFETY INSTRUCTIONS
13
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