Summit 1.2 cu. ft. Built-In Drawer Microwave Installation Guide - Manual (Page 7)

7
Materials you can use in a microwave oven
Utensils Notes
Plastic
Plastic wrap
Microwave-safe only. Follow the manufacturer* 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 the 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.
Materials to be avoided in a microwave oven
Utensils Notes
Aluminum tray
Food carton with
metal handle
Metal or metal-
trimmed utensils
Metal twist ties
Paper bags
Plastic foam
Wood
May cause arcing. Transfer food into a microwave-safe dish.
May cause arcing. Transfer food into a microwave-safe dish.
Metal shields the food from microwave energy. Metal trim may
cause arcing.
May cause arcing and could cause a fire in the oven.
May cause a fire in the oven.
The plastic foam may melt or contaminate the liquid inside when
exposed to high temperatures.
Wood will dry out when used in the microwave oven and may split
or crack.