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WASHING SPECIAL ITEMS
If you have doubts about washing a particular item, check with the manufacturer to see if it is dishwasher safe.
Material Dishwasher Safe? Comments
Aluminum Yes High water temperature and detergents can affect finish of anodized aluminum.
Disposable Aluminum No Do not wash throwaway aluminum pans in the dishwasher. These might shift
during washing and transfer black marks to dishes and other items.
Bottles and Cans No Wash bottles and cans by hand. Labels attached with glue can loosen and clog the
spray arms or pump and 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 washing.
Gold No Gold-colored flatware will discolor.
Glass Yes Milk glass yellows with repeated dishwasher washing.
Hollow-Handle Knives No Handles of some knives are attached to the blade with adhesives which can
loosen if washed in the dishwasher.
Pewter, Brass, Bronze No High water temperatures and detergent can discolor or pit the finish.
Disposable Plastics No Cannot withstand high water temperatures and detergents.
Plastics Yes Always check manufacturer's recommendations before washing. Plastic items may
vary in their ability to withstand high temperatures and detergents. It is
recommended that light items such as lids and butter dishes be placed in the
upper rack only. Sturdy items such as coolers and high-chair trays may be placed
in the lower rack. When washing plastic items in the lower rack, it is recommended
that an air dry be used.
Stainless Steel Yes Run a rinse cycle if not washing immediately. Prolonged contact with food
containing salt, vinegar, milk products, or fruit juice can damage finish.
Sterling Silver or Silver Yes Run a rinse cycle if not washing immediately. Prolonged contact with food
Plate containing salt, acid, or sulfide (eggs, mayonnaise, and seafood) can damage
finish.
Tin No Can rust.
Wooden Ware No Wash by hand. Always check manufacturer's instructions before washing.
Untreated wood can warp, crack, or lose its finish.
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