Never heat flammable or combustible liquids in the microwave - a fire or explosion may occur.Click here to view the wheat bag fire safety fact sheet. Adding a cup of water in the microwave should decrease the risk. Continual heating and drying of wheat bags increases the risk. Heating of wheat bags has a fire risk, never heat longer than manufacturer's instructions and never more than a maximum of 3 minutes, adding oils to wheat bags increases the fire risk.When cooking popcorn heat according to the instructions, begin with the minimum time specified as some microwaves can scorch popcorn in as little as two minutes.The instructions for the microwave oven often specify what types of containers etc are safe to use for that appliance. Recycled products including paper towels have minute metal flecks these can cause sparks and even flames. Never use recycled paper in microwave ovens unless they are specifically approved for microwave use.Clean the oven cavity and the outer edge of the cavity. Clean the microwave oven regularly, this will reduce fire potential.Never attempt to dry or sterilise clothes or blankets in microwave ovens as a fire may result when the items are removed from the oven.The metal can cause arcing which can lead to a fire. Do not use metal, metal edged bowls, metal foil or even twist ties in microwave ovens.To minimise the risk of fire, never attempt to heat articles that are not approved for use in microwave ovens.Before using a new microwave oven, always follow the manufacturer's installation and operating instructions and safety precautions.Also, any metal objects inside a microwave can cause severe sparking which could lead to a fire.įire and Rescue NSW recommends these simple fire safety tips when using microwave ovens. Therefore any material which has dried out can overheat and ignite in a microwave oven.
Microwave ovens emit radiation that will excite water molecules and if there is no moisture available, other less volatile molecules will absorb the radiation and start to heat.
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