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Soiling
Problem How to resolve it
The following substances can damage
elastomers (hoses and seals) and
plastics in the washer-disinfector:
–
Oil, wax, aromatic and unsaturated
hydrocarbons,
–
emollients,
–
cosmetics, hygiene and care
products such as creams (analytical
applications).
–
Refit the washer-disinfector with oil
resistant elastomeres.
–
Depending on usage wipe the lower
door seal on the washer-disinfector
periodically with a lint-free cloth or
sponge.
Clean the wash cabinet and
accessories without a load using the
ORGANICA programme.
–
Prepare the load
using the "OIL" programme (where
this is available) or use a special
programme that dispenses
emulsifiers.
The following substances can lead to a
heavy build-up of foam during washing
and rinsing:
– Some disinfecting agents and
dishwashing detergents,
– reagents for analysis e.g. for
microtiter plates,
–
cosmetics, hygiene and care
products such as shampoos and
creams (analytical applications),
–
active foaming agents such as
tensides.
– Thoroughly rinse items in water
beforehand.
– Select a cleaning programme with at
least one short pre-rinse in cold or
hot water.
– Depending on application use
de-foaming agents that do not
contain silicone oils.
The following substances cause
corrosion to stainless steel in the wash
cabinet on accessories:
–
Hydrochloric acid,
–
other substances containing
chlorides such as sodium chloride
etc.,
–
concentrated sulphuric acid,
–
chromic acid,
–
Particles of iron and swarf.
–
Thoroughly rinse items in water
beforehand.
–
Place items drip dried into mobile
units, baskets and inserts and then
place these in the wash cabinet.
Chemical processes and technology
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