645
STAINLESS STEEL
BLUISH DISCOLORATION
POSSIBLE CAUSE:
♦
Some types of stainless steel will take
on a bluish cast when washed in the
dishwasher because of heat and the
alkalinity of automatic dishwasher
detergent.
SOLUTION:
The discoloration can be removed by
using a paste of baking soda and water
or a stainless steel cleaner.
CORROSION OR RUSTING
POSSIBLE CAUSE:
♦
When stainless steel (knife, spoon,
pan, etc.) is made a passivation process
forms a protective oxide film on the
surface of the steel. It is this film of
oxide which makes stainless steel
“stainless”. When it is removed,
corrosion (rusting) will take place as
with ordinary steel, through at a slower
rate.
Certain foods will remove this oxide
film – table salt, vinegar, salad
dressings, milk and milk products,
fruits and juices, tomatoes and tomato
products and butter. If the stainless is
washed, rinsed and dried thoroughly,
the oxygen in the air will heal the
breaks in the oxide film and return the
stainless property to the steel. But, if
food is not washed off promptly (for
example, when a few dishes and
flatware are left in the dishwasher until
a full load accumulates), the air cannot
heal the break and corrosion will take
place.
SOLUTION:
There is not permanent solution. To
minimize rusting, rinse or wash as
soon as possible. Polishing with a
silver or stainless steel cleaner may
temporarily remove the corrosion.
ITEMS NOT TO BE WASHED IN A
DISHWASHER
Most tableware, cookware and
silverware can be safely washed in the
dishwasher. If there are any doubts
about a particular piece of dishware,
check with the manufacturer to see if it
is dishwasher safe. If the manufacturer
cannot be reached, test-wash a small
item for several weeks before
attempting to wash an entire set.
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