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Plastic wrap
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 thermo-
meters)
Wax paper
Use as a cover to prevent splattering and retain
moisture.
MATERIALS TO BE AVOIDED IN MICROWAVE OVEN
Utensils
Remarks
Aluminum tray
May cause arcing. Transfer food into microwa-
ve-safe dish.
Food carton with me-
tal handle
May cause arcing. Transfer food into microwa-
ve-safe dish.
Metal or metaltrim-
med utensils
Metal shields the food from microwave energy.
Metal trim may cause arcing.
Metal twist ties
May cause arcing and could cause a fire in the
oven.
Paper bags
May cause a fire in the oven.
Plastic foam
Plastic foam may melt or contaminate the liquid
inside when exposed to high temperature.
Wood
Wood will dry out when used in the microwave
oven and may split or crack