Chemical processes and technology
44
Soiling
Efficacy Measures
The following substances can damage
elastomers (hoses and seals) and plastics
inside the cleaning machine:
- Oils, waxes, aromatic and unsaturated
hydrocarbons
- Emollients
- Cosmetics, hygiene and skincare
products such as creams (analytical
applications, filling)
- Depending on usage, wipe the lower door
seal on the cleaning machine periodically
with a lint-free cloth or sponge. Clean the
wash cabinet and accessories without
load items using the Medium or Long
programme.
- Use the Long programme with a load and
dispense powder cleaning agent on the
door.
The following substances can lead to heavy
build-up of foam during washing and
rinsing:
- Some disinfection agents, detergents, etc.
- Reagents for analysis, e.g. for microtiter
plates
- Cosmetics, hygiene and skincare
products such as shampoos and creams
(analytical applications, filling)
- Active foaming agents such as
surfactants
- Thoroughly rinse load items in water
beforehand.
- Select the Long programme (with a cold or
hot pre-wash).
- Depending on the application, use de-
foaming agents that do not contain
silicone oils.
The following substances can cause
corrosion to stainless steel in the wash
cabinet and the accessories:
- Hydrochloric acid
- Other substances containing chlorides
such as sodium chloride, etc.
- Concentrated sulphuric acid
- Chromic acid
- Iron particles and shavings
- Thoroughly rinse load items in water
beforehand.
- Put the drip-dry load items into the mobile
units, baskets, modules and inserts and
start a programme as soon as possible
after placing in the wash cabinet.
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