How to Tell if Plastic Bowl Is Microwave-Safe

How to Tell if Plastic Bowl Is Microwave-Safe

Milena Kukurekovic

It happens to all of us. When you reheat your leftovers, and you're unsure, are you using a microwave-safe bowl?

Due to the active biomolecules released, freshly cooked food has more flavor, and this extra activation makes the food feel more gratifying than the same vitamins eaten cold. 

Stop worrying about the taste of frozen food and heating it in a plastic container. Instead, we'll show you some simple tips and tactics for identifying which bowls are microwaveable plastic bowls that won't harm the food or the oven.

How to Tell if a Plastic Bowl Is Microwave Safe

Many dishes and disposable plates are microwave safe; nevertheless, you will ruin the dinnerware and the meal if you use the wrong container. Microwaves are useful and practical equipment, but there are a few things to keep in mind while microwaving plastic bowls when it comes to your dishes. 

Examine the Dinnerware: Flip the bowl over so that the bottom is facing you. Then you should look at the back of the bowl. Many plates, bowls, and containers declare either "Microwave Safe" or "Not for Use in Microwaves." Continue to Step 2 if this isn't explained clearly.

Raise Your Head: Set your microwave oven's power to the maximum level. For detailed directions, consult your microwave's manual. The default is usually the highest power setting.

Pour in Some Water: 1 cup of water in a glass measuring cup or bowl. Microwave the cup of water and the dish at the same time. Place the cup of water on or within the container for larger plates. 

Microwave the dish and cup for one minute. The dish or container is not microwaved safe if it is warm or hot after heated. However, the plate or container is microwave safe if it is cool and the cup of water is hot.

Look for a Label to Confirm if Microwaving Plastic Bowls Is Safe

Check the label to see if a plastic container or bowl is microwave safe:

  • "Microwave-safe" labeled products can be used in the microwave.
  • Microwave-safe products are marked with an imprinted microwave symbol. This logo is found mainly on recyclable storage containers. This means you can use the disposable plastic bowls in the microwave without danger of them breaking or becoming combustible due to heat shock.
  • Instructions for correct microwave use may be printed on the labels of other plastic containers, wraps, or packages.
  • Besides the label, there is a "microwave safe" symbol to look for. The microwave and wavy lines symbol indicates that the equipment can safely be used in the microwave. The emblem can be found on the bottom of a container.
  • Squiggly lines make up this symbol. The squiggly lines on this sign can take on a variety of shapes, such as a microwave or a dish placed under radiation waves, yet the squiggly lines stay consistent. Squiggly lines imply that the container can be easily reheated.
  • Plastics used in margarine tubs and deli jars, for example, are designed for cold food preservation rather than warming.

Are Plastic Bowls with Lids Microwave Safe?

You will find many plastic bowls with lids that are microwave safe. When it concerns covered plastic bowls, materials like aluminum foil can be used safely in tiny quantities if your owner's guide permits. Ensure that the foil is brand new and smooth, not wrinkled.

Metals like forks, spoons, and knives are excellent conductors of heat and electricity because they contain many free-moving electrons. Therefore, you should avoid any metal items when heating the food.

Microwaves are reflected when they touch metal things, which might pose difficulties. As a general guideline, avoid using a microwave oven to heat things with metal lids.

There are five different types of plastic. The properties and temperature restrictions of these plastics vary. If you want to know which plastic lids are microwave safe, keep reading.

Plastic # 2

Microwave-safe plastic # 2, also known as high-density polyethylene (HDPE), is generally utilized in beverages or potable liquids. Milk and juice containers contain this type of plastic typically. This type of plastic can resist temperatures ranging from -40 to 266 degrees Fahrenheit before melting. It also has several characteristics that make it ideal for liquid storage. 

HDPE is adamant and long-lasting, making it ideal for keeping liquids. Because the plastic isn't sensitive, it won't rip or lead to contamination, and it's also perfect for reusing. It's worth mentioning that different states have varying recycling laws regarding food containers.

Plastic # 5

Plastic #5 can also be used in the microwave. Polypropylene is the full name of the material, which is often used in food containers, forks, and spoons. It has a melting temperature of 0 to 250 degrees Fahrenheit, making it ideal for microwave foods.

Plastic # 6

This type of plastic is not microwave-safe. It's also known as polystyrene, and it's the main ingredient of styrofoam. Styrofoam has an extremely low melting temperature, which means it can quickly melt even without being heated in the microwave.

It's also worth noting that styrofoam is prohibited in several areas due to its non-microwave ability, including California, New York, Florida, Texas, Hawaii, Minnesota, Massachusetts, New Jersey, Oregon, Washington, and Washington, D.C.

Plastic # 1

This is not microwave-safe. It has a melting point of 120 degrees F. 

Can You Put a Plastic Mixing Bowl in the Microwave?

While not all plastics are suitable for use in the microwave, polypropylene used in microwaveable plastic bowls is an excellent option. It's a less-expensive alternative to glass or ceramic for microwaveable plastic mixing bowls. However, if you're worried about toxins leaching into your food, ceramic and glass are the best options. Ceramic bowls are aesthetically beautiful and sturdy, and as long as they don't contain metal decorations, they usually microwave safe.

Additionally, if you're not sure if plastic drinking glasses are microwave-safe, you can test them using a microwave with the same procedure discussed above.


Party on, Smarties! With love, Smarty had a Party

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