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Washing Special Items
If you have any doubts about washing a particular piece of tableware, check with the
manufacturer to see if it is dishwasher safe.
MATERIAL DISHWASHER SAFE? EXCEPTIONS/SPECIAL INFORMATION
Aluminum Yes
High water temperature and detergents can pit
finish of anodized aluminum.
Bottles
and Cans
No
Wash bottles and cans by hand. Labels attached
with glue can loosen in your dishwasher. Loose
labels and glue can clog spray arms or the pump
and will reduce washing performance.
Cast Iron
China/
Stoneware
No
Yes
Seasoning will be removed and iron will rust.
Always check manufacturer’s recommendations
before washing. Antique, hand-painted, or over-
the-glaze patterns may fade. Gold leaf can
discolor or fade.
Crystal
Yes
Always check manufacturer’s recommendations
before washing. Some types of leaded crystal
can etch with repeated washings.
Gold
Glass
No
Yes
Gold-colored flatware will discolor.
Milk glass will yellow with repeated dishwasher
washing.
Hollow-
Handle
Knives
Pewter
No
No
Handles of some knives are attached to the
blade with adhesives which may loosen if
washed in the dishwasher.
High water temperatures and detergent can
discolor or pit finish.
Disposable
Plastics
Plastics
No
Yes
Cannot withstand high water temperatures and
detergents.
Always check manufacturer’s recommendations
before washing. Plastics vary in their capacity to
withstand high water temperatures and deter-
gents. Load plastics in top rack only.
Stainless
Steel
Yes
Run the Rinse-Wash Later cycle if not washing
immediately. Prolonged contact with food
containing salt, vinegar, milk products, or fruit
juice can damage finish.
Sterling
Silver or
Silver Plate
Yes
Run the Rinse-Wash Later cycle if not washing
immediately. Prolonged contact with food
containing salt, acid, or sulfide (eggs, mayon-
naise, and seafood) can damage finish.
Tin
Wooden
Ware
18
No
No
Can rust.
Wash by hand. Always check manufacturer’s
recommendations before washing. Untreated
wood can warp, crack, or lose its finish.