
Washing Special Items
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 arm or the pump
and will reduce washing performance.
Cast Iron No Seasoning will be removed and iron will rust.
China/
Stoneware
Yes 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
No Gold-colored flatware will discolor.
Glass Yes Milk glass will yellow with repeated dishwasher
washing.
Hollow-
Handle
Knives
No Handles of some knives are attached to the blade
with adhesives which may loosen if washed in the
dishwasher.
Pewter No High water temperatures and detergent can
discolor or pit finish.
Disposable
Plastics
No Cannot withstand high water temperatures
and detergents.
Plastics Yes 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 Only cycle if not washing immedi
ately. Prolonged contact with food containing salt,
vinegar, milk products, or fruit juice can damage
finish.
Sterling
Silver or
Silver Plate
Yes Run the Rinse Only cycle if not washing immedi
ately. Prolonged contact with food containing salt,
acid, or sulfide (eggs, mayonnaise, and seafood)
can damage finish.
Tin No Can rust.
Wooden
Ware
No Always check manufacturer’s recommendations
before washing. Untreated wood can warp,
crack, or lose its finish.
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