13.3 Applications
For ultrasonic cleaning unsuitable items:
Soft jewelry: pearls, emerald, ivory,
coral, agate, sea turtle shells...
Welded, metal plated or glued items.
Watches are not suitable: Exception
divers watches suitable with depth
rating over 50 m
Others: wood, coated glass, ceramic,
glasses, every item that is already
damaged
Not securely attached items may loosen.
Items that are easy to be discoloured are not recommended for ultrasonic cleaning. For
example: textiles, leather products, etc.
Do not put mobile phones or watches which are not waterproof into the tank for
cleaning.
Do not put any spectacles frames or art goods which are made out of shell or hawksbill
into the tank for cleaning.
caso Ultrasonic Cleaner
These items are not hard. Scratches can
occur during cleaning.
Ultrasonic cleaning may enlarge gaps inside
the welde joints, plated coating or glued
surfaces oft he items, and may cause
seperation.
Because of the strong penetration capability
of the ultrasonic waves, water may get into
the watches it they are not truly waterproof.
Clean only not damaged watches that are
waterproof for a depth over 50 m.
Ultrasonic cleaning may enlarge pre-existed
crack in the coating of glass, ceramic and
glasses (for example spectacle glasses).
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