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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 thermometers).
Wax paper
Use as a cover to prevent splattering and retain moisture.
materials to be avoided in microwave oven
Aluminum tray
May cause arcing. Transfer food into microwave-safe dish.
Food carton with metallic handles
May cause arcing. Transfer food into microwave-safe dish.
Metallic or metal-trimmed utensils
Metal shields the food from microwave energy. Metal trim may
cause arcing.
Metallic 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 ex-
posed to high temperature.
Wood
Wood will dry out when used in the microwave oven and may split
or crack.