Materials you can use in microwave oven
Utensils
Remarks
Browning dish
Follow manufacturer’s instructions. The bottom of browning
dish must be at least 3/16 inch (5mm) above the turntable.
Incorrect usage may cause the turntable to break.
Dinnerware
Microwave-safe only. Follow manufacturer's instructions. Do
not use cracked or chipped dishes.
Glass jars
Always remove lid. Use only to heat food until just warm. Most
glass jars are not heat resistant and may break.
Glassware
Heat-resistant oven glassware only. Make sure there is no
metallic trim. Do not use cracked or chipped dishes.
Oven cooking
bags
Follow manufacturer’s instructions. Do not close with a metal
tie. Make slits to allow steam to escape.
Paper plates and
cups
Use for short–term cooking/warming only. Do not leave oven
unattended while cooking.
Paper towels
Use to cover food for reheating and absorbing fat. Use with
supervision for a short-term cooking only.
Parchment paper Use as a cover to prevent splattering or a wrap for
steaming.
Plastic
Microwave-safe only. Follow the manufacturer’s instructions.
Should be labelled "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
on the packaging.
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
Wax paper
Use as a cover to prevent splattering and retain moisture.
Materials to be avoided in microwave oven
Utensils
Remarks
Aluminium tray
May cause arcing. Transfer food into microwave-safe dish.
Food carton with
metal handle
May cause arcing. Transfer food into microwave-safe dish.
Metal or metal
trimmed 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.
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