What Containers Are Safe To Use With A Pressure Cooker?

Containers That Are Safe For Pressure Cooker
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Containers That Are Safe For Pressure Cooker

Safe Containers for Pressure Cooker

Many people ask, “Can I use plastic in my pressure cooker?” because frankly, most storage containers are made of plastic. To help you answer this question, we have compiled a list of the materials that are safe and materials that are not safe to use in a pressure cooker.

After all, you don’t want to end up melting something in your pressure cooker or even starting a fire. Instead, it is better to be safe and informed so that you know what to do and what you can use.

Below are the materials that you can use in a pressure cooker without fearing that they are going to melt or catch fire:

  • Oven-Safe Materials: Any container that is labeled as ‘oven-safe’ means that it is capable of handling a large amount of heat. Because of this, anything with this label is safe to use in a pressure cooker.
  • Food-Grade Materials: Food-grade materials are materials that are not made with dangerous elements that can melt into your food. For example, you don’t want to use a nonfood-grade glass container in your pressure cooker because it is not meant to hold food.
  • Non-Hermetic Materials: Non-hermetic materials are containers that can be fully sealed. This can mean materials that are meant for camping, or specific molds that seal so that they can withstand the pressure within the pressure cooker.

Can You Use Plastic in a Pressure Cooker?

Now that you know what materials are safe to use in a pressure cooker, the real question is can you use plastic such as Tupperware or other containers? You may have the fear that they will melt, so we did research to ensure that you are being safe and cautious with your containers. While plastic containers are made for microwaves, are they made for pressure cookers too?

No! The plastic of Tupperware and plastic containers are designed to withstand the heat of boiling water. However, in a pressure cooker, the temperature is much higher than that of boiling water. Because of this, you are risking melting your plastic container and the contaminants getting into your food, so it is definitely not worth it.

Rather than risking your health and your safety for a plastic container, find a container labeled as one of the ones listed above so that you have no worries when you are using your pressure cooker.


Overall, when you are using a pressure cooker, you may wonder what containers are safe to put in it for both your health and your safety. After doing research, a few materials that you can use are over-safe, food-grade, or non-hermetic.

It is not recommended that you use plastic containers because the plastic is not designed to withstand the heat of a pressure cooker. Because of this, your plastic will probably melt into your food which is a fire hazard as well as a health hazard.

Be safe with your pressure cooker and avoid using plastic.

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