At the end of the day not every plastic container will have the symbols you re looking for and there s still considerable debate as to whether plastic is food safe in general.
Plastic tupperware microwave safe symbol.
Tupperware containers are generally safe for use in the microwave.
Second is ok for freezer.
And those microwave safe plastic dome covers.
Other crap is pp5 which means it can be recycled 5 times if i m not mistaken.
Most containers have the tupperware symbol of three arrows forming a triangle with a number in the middle.
This symbol indicates that the product is designed to be used in the microwave.
The symbol is usually on the bottom of the container and contains 4 or 5 wavy lines.
Last one is food grade plastic i believe.
Third is supposed to be heat.
Here is a little tip for you.
If you re curious about the other numbers which range from 1 to 7 tupperware has a handy chart.
So regardless of the type of plastic high temperatures will cause chemicals to leach into.
First is top rack dish washer.
The fda says they re ok but if you need to cover your food it s probably safest to use wax paper parchment paper a white paper towel or.
The easiest way to figure out if a plastic container is safe for the microwave is to look for the microwave safe symbol.
This however is not an area of concern with tupperware.
As a precaution however you should always check the container to see if it contains the microwave friendly sign.
After being microwaved the plastic feels cool.
To be sure the product you have is deemed safe for the microwave look on the bottom of the container.
So you can safely reheat or defrost food in it in a microwave oven.
Tupperware products are plastics and not all tupperware products are not microwave safe.
When using the microwave it is best to remove the container lid and then heat according to the power indicated see temperature symbol.
Microwave safe bryana stearns.
If on the bottom you see a symbol containing 4 or 5 wavy lines then it is certified safe to use in the microwave.
Type 5 polypropylene is most often labeled microwave safe this plastic is sturdy and heat resilient and it stays clear even when exposed to tomato sauce.
If your tupperware has a symbol with wavy lines or a microwave with wavy lines you can use it in the microwave without fear.