The following items are
NOT suitable
for ultrasonic cleaning:
Soft jewellery:
For example, pearls, emerald, ivory, coral,
agate, sea turtle shells.
Placing these items may result in scratches to
them if cleaned with this machine.
Welded, plated, and glued items
Ultrasonic cleaning may enlarge the gaps
inside the welded joints, plated coating, or
glue and may cause separation.
Watches:
Except diver’s watches with depth rating
over 50m.
The strong penetration capability of the
ultrasonic waves may result in water entering
watches if they are not waterproof.
Inlay studs and unfastened decorations
These items may shed and become
damaged during cleaning.
Others:
Wood, coated glass (for example,
prescription glasses), ceramic, camera, or
filters with pre-existing cracks.
Ultrasonic cleaning may damage the
protective coating on these items or enlarge
pre-existing cracks.
Summary of Contents for KAULTSONJWCA
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