Materials you can use in microwave oven
Utensils
Remarks
Microwave-safe only. Follow the manufacturer's instructions. Should be
labeled "Microwave Safe". Some plastic containers soften, as the food
inside gets hot. "Boiling bags" and tightly closed plastic bags should be
slit, pierced or vented as directed by package.
Microwave-safe only. Use to cover food during cooking to retain
moisture. Do not allow plastic wrap to touch food.
Thermometers
Microwave-safe only (meat and candy thermometers).
Wax paper
Use as a cover to prevent splattering and retain moisture.
Plastic
Plastic wrap
Materials to be avoided in microwave oven
Utensils
Remarks
Aluminum tray
Food carton with
metal handle
Metal or metal-
trimmed utensils
Metal twist ties
Paper bags
Plastic foam
Wood
Metal shields the food from microwave energy. Metal trim may
cause arcing.
May cause a fire in the oven.
Plastic foam may melt or contaminate the liquid inside when exposed
to high temperature.
Wood will dry out when used in the microwave oven and may split
or crack.
May cause arcing. Transfer food into microwave-safe dish.
May cause arcing. Transfer food into microwave-safe dish.
May cause arcing and could cause a fire in the oven.
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