Is Pyrex microwave safe? If you've ever wondered if you can put Pyrex in the microwave, you are definitely not alone. As with many glass products, I’ve also wondered about microwave compatibility before using them.
Microwaves have become an essential part of most modern homes. This is because they make it convenient to heat and cook food quickly so it’s always a good thing to know what is and isn’t safe to use in the microwave.
Like Rubbermaid bowls, many people use Pyrex dishes for cooking and storing food. However, knowing if they can be safely used in the microwave is essential.
In this article, we will discuss if you can put Pyrex in the microwave, how to use it properly, and some do's and don'ts to remember. Additionally, we will share our best tips on how to use it in the microwave safely.
What is Pyrex?
Pyrex is a brand of glassware and kitchenware made from borosilicate glass or more recently tempered soda-lime glass and is well known for its heat-resistant properties since it can withstand high temperatures without shattering.
Due to its durability and ability to handle rapid temperature changes, Pyrex is commonly used for baking, cooking, food storage and microwave reheating or cooking.
Can you put Pyrex in the microwave?
Borosilicate glass is well-known for its exceptional thermal properties and resistance to thermal shock. Compared to normal glass, borosilicate glass has a higher resistance capacity when handling extreme temperature changes.
While most Pyrex products are microwave safe, it’s always a good thing to double check by looking for the microwave safe symbol before using it. Most importantly follow the manufacturer’s instructions on the pyrex products to ensure you use it safely.
Yes, Pyrex is microwave safe when used correctly. Pyrex dishes are designed to endure high temperatures, making them appropriate for utilization in the microwave.
Look for a microwave-safe symbol on the bottom of the Pyrex dish, which usually looks like a series of wavy lines or a microwave with wavy lines inside. If you don't see this symbol, you should avoid using the dish in the microwave.
It's not recommended to microwave Pyrex dishes directly from the freezer, as the sudden temperature change may cause the glass to chip, crack, or shatter. Instead, allow the dish to come to room temperature before microwaving.
Yes, Pyrex is great for reheating food in the microwave. Just be sure to use a microwave-safe cover or plastic wrap to prevent splatters and spills. In addition, you should use oven mitts when getting it out to avoid any burns.
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Different types of Pyrex products that can be used
Pyrex has a variety of products that are microwave safe. Here are some of them.
1. Pyrex Microwave-Safe Glass Containers
These versatile containers come in various shapes and sizes, including round, rectangular, and square. Most options come with secure-fitting lids (👈 affiliate link). This allows you to store and reheat leftovers directly in the same container.
2. Pyrex mixing Bowls
These bowls are available in different capacities and feature a durable glass construction. These Pyrex bowls (👈 affiliate link) are designed to withstand the heat generated by microwaves. This is why they are ideal for heating liquids, melting butter, or making microwave boiled eggs.
3. Measuring cups
Pyrex measuring cups (👈 affiliate link) are designed with heat-resistant glass, making them microwave-safe. These cups come with clear markings for accurate measurements. They are perfect for direct heating or melting ingredients like butter, chocolate, or milk in the microwave.
4. Pyrex casserole dishes
Pyrex casserole dishes (👈 affiliate link) are designed for both baking and microwaving. They let you prepare and heat your favorite casseroles or baked dishes in the microwave. Most options come with secure lids for convenient storage and transport.
How to use Pyrex safely in the microwave.
- Read the manufacturer’s instructions on how to use it. That’s your best guide
- Look for the microwave safe symbol which is usually a series of wavy lines or a microwave with wavy lines inside. If there is no microwave-safe label on the Pyrex container, it is best to avoid using it in the microwave.
- Stir food at intervals to ensure even heating. This will help prevent hot spots and ensures your food is cooked thoroughly.
Dos and Don’ts
- Do follow manufacturer’s instructions: Different Pyrex products may have specific instructions or recommendations for microwave use. It's essential to read and follow the guidelines or instructions the manufacturer provides to ensure safe and optimal usage.
- Do use heat resistant gloves when handling hot glass: Pyrex glassware can get extremely hot when heated in the microwave. it is highly recommended to use thick oven mitts or heat resistant gloves for safety.
- Do allow Pyrex cool down before cleaning: After microwaving, allow the Pyrex to cool down to a safe temperature before cleaning or immersing it in cold water. Rapid temperature changes cause thermal stress and potentially lead to breakage.
- Don’t microwave an empty Pyrex dish: ideally you should never put an empty dish in the microwave as the microwave needs food molecules to heat up. Microwaving an empty dish will not only damage it but will damage the microwave itself. we discuss this in our how to use a microwave.
- Don’t use damaged or chipped Pyrex: Pyrex with visible cracks or chips should not be used in the microwave. These imperfections weaken the glass and increase the risk of breakage or shattering when exposed to heat. It is better to replace damaged Pyrex to ensure safety.
- Don’t subject it to extreme temperature changes: Despite its enhanced thermal shock resistance, you should refrain from transferring Pyrex directly from the freezer to the microwave or placing hot Pyrex in the refrigerator immediately after microwaving.
Our best tips
- Allow Pyrex to reach room temperature before subjecting it to extreme temperature variations.
- To accommodate varying microwave powers, adjust cooking times accordingly. Begin with the shortest recommended time and check for doneness. If needed, continue microwaving in short intervals until your food is evenly cooked.
- Read manufacturers instructions with respect to use, cleaning and proper storage. This will also help to ensure these glass products remain microwave safe.
- After microwaving your food in a Pyrex dish, allow it to stand before removing the cover or plastic wrap. This will help the food finish cooking and prevent steam burns when uncovering the dish.
Pyrex is safe to use in the microwave if you follow guidelines and exercise caution. Use microwave-safe covers, stir or rotate food for even heating, and avoid using damaged or chipped Pyrex dishes.
Pyrex glassware can withstand temperatures from -104 to 572 degrees Fahrenheit (-40 to 300 degrees Celsius), making it superior to other products. By following these tips, you can confidently utilize Pyrex in the microwave for its convenience and versatility.
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