Pyrex glassware and cookware are popular all around the world for their durability. The materials used in them are specifically designed for the purpose of cooking. But one thought can bother you regarding using Pyrex. Is Pyrex microwave safe?
Yes, Pyrex is microwave-safe. However, hot liquids should not be poured into cold Pyrex glass, and hot Pyrex dishes should not be placed on cold surfaces.
Because Pyrex breaks, cracks, or shatters due to its heat conduction nature, even though it is a very good insulator of heat energy.
This short answer doesn’t justify the whole thing. It is important to explore all aspects carefully if you want to find the best answer to this question. Let’s start with the main concern.
What is Pyrex, and Is It Microwave Safe?
Pyrex is a renowned brand of cookware and laboratory glassware that are highly heat resistant. But many people are curious about whether Pyrex is microwave safe or not. Yes, it’s completely microwave-safe.
In fact, pyrex is known as an ideal cookware for microwaves. Additionally, pyrex bowls and dishes are BPA (Bisphenol A) free. It is composed of silica (SiO2) and boron trioxide (B2O3), providing exceptional durability and efficiency.
Hence, pyrex glass and plastic products can both be used in the microwave. However, gold leaf and other metallic decorations are one thing you need to consider.
Any kind of metal is a big No for microwave ovens. So, if the Pyrex dishes come with these kinds of decorations, they may break in the oven.
Can Pyrex Melt in the Microwave?
Generally, when you put Pyrex dishes into the microwave under ordinary circumstances, they won’t melt.
Nevertheless, code 7740 Pyrex borosilicate glass has a melting point of 1,510°F or 820°C. Unless the heating temperature goes beyond this limit, they won’t melt.
Usually, Pyrex products can withstand temperatures up to 428°F or 220°C. They can endure temperature fluctuations ranging from -20 °C to 200 °C.
The boiling point of water (100°C or 212°F) is the maximum temperature a microwave can reach. So it is within the safe temperature range of Pyrex products.
See More: Is A 900 Watt Microwave Good For Your Kitchen Needs?
Is Cold Pyrex Microwave Safe?
No, microwaving cold Pyrex is not safe. Pyrex could explode, crack, or fissure if you remove it from the fridge or freezer and immediately place it in the microwave.
However, one thing you should keep in mind is that you shouldn’t go for high heat while using cold Pyrex. Rather you should transfer hot liquid into a cold Pyrex measuring cup.
So, do not microwave cold Pyrex at high temperatures. Also, you should avoid exposing the hot glass Pyrex to cool surfaces. Because Pyrex glass dishes do not show the same resistance level when moved from one appliance to another with drastic temperature differences.
For example, you can’t immediately put the Pyrex into a refrigerator or freezer after microwaving.
Pyrex glass dishes fail to handle uneven expansion when exposed to rapid temperature changes. Because glass products undergo thermal shock when temperatures rapidly change.
Usually, thermal shock happens when different parts of a hardened material shrink and expand differently, causing shattering.
If you don’t want to face this kind of circumstance, ensure your hot Pyrex dish is not placed on a surface that is too cold and vice versa.
Are Pyrex Lids Microwave Safe
Pyrex lids are microwave-proof. It is safe to microwave food under Pyrex lids to prevent spills. To handle extreme environments, it is made with a heat-resistant feature.
Pyrex should not be exposed to thermal shock as it will break and deform. Ensure steam passes through the Pyrex lids when microwaving food without locking the lids.
Plastic lids and matching glass lids are available for Pyrex’s kitchenware.
| Types of Lids | Do’s | Don’ts |
| Glass Lids |
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| Plastic Lids |
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How to Microwave Pyrex Lids?
You should follow some special guidelines to use the lids to avoid unwanted hassle.
- Food should be placed in small portions. By doing so, you will be able to distribute heat evenly in a shorter period of time.
- Use less heat temperature to make Pyrex lids last longer.
- Try to use hot pads to remove the dish from the microwave.
- Steam should be disposed of carefully.
When Pyrex lids are placed correctly, they can sustain heat safely within the required cooking time. A Pyrex lid should be placed loosely on top of a glass container without being too closely sealed so that steam can vent. Because the microwaves can explode if the dish gets pressurized.
Can Pyrex Glass Go in The Microwave?
Yes, pyrex glass is undoubtedly safe for microwaves. Pyrex glass and ceramic kitchenware are the best choices for microwaves. Compared to plastic and other disposable materials, these materials last much longer.
However, you can’t use them recklessly. You must maintain some issues in this regard. For your convenience, here I’ve provided long detailed dos and don’ts, where you will learn everything regarding using Pyrex glass.
Also Read: Can You Cook Bratwurst In The Microwave? How To Cook Brats
| Do’s | Don’ts |
| 1. Make sure your Pyrex glass has a ‘microwave-safe’ tag on the bottom or in the packaging. | 1. Avoid putting a broken Pyrex dish inside the microwave since it can explode the dish |
| 2. Ensure that all moisture is removed with a towel | 2. Make sure you don’t slam the microwave door or bang it down too forcefully. |
| 3. Never ever put the Pyrex glass in the microwave immediately after removing it from the fridge. | 3. Never go beyond the recommended cooking temperature, which is 400-425° F. |
| 4. Always start cooking at a low temperature so that your Pyrex dish can acclimate | 4. Pyrex glass should not be used for heating oil or making popcorn. Glass can crack due to uneven heat transfer. |
| 5. Allow your food some time to sit before putting it into the fridge | 5. Pour hot tea into a warm Pyrex container, not a cold one. Because sudden temperature changes can break glassware. |
How to Use Pyrex in the Microwave?
Can Pyrex go in the microwave? There is no doubt that your Pyrex dishes are microwave safe. But like any other kitchen product, it requires maintaining some safety guidelines.
1. Defrost Frozen Foods before Microwave Cooking
Never ever put the Pyrex container straight from the fridge into the microwave. Thaw iced foods in the container before heating them in a microwave.
2. Temperature Changes Should Be Avoided
Extreme and sudden temperature changes can break glassware. Though it is designed to resist high temperatures, a drastic temperature change can ruin your container.
So, do not immerse a hot Pyrex dish in cold water or vice versa. After removing it from the fridge, you should allow the container to cool down a little bit. Then you can safely put it into the microwave.
3. Remove the Condensation
Before microwaving Pyrex, wipe off any condensation if it happens. Gradual heating on low power for some time will allow the dish to thaw steadily.
4. Use Dry Mitts When Handling Cookware
When removing Pyrex from the microwave or oven, make sure you’re using dry mitts.
Cooking or handling hot dishes calls for this precaution. Besides preventing burns, it keeps the glass from breaking easily.
How to Prevent Pyrex from Exploding?
Of course, you can safely microwave Pyrex. It is specially designed for microwaving. So, using Pyrex in microwaves shouldn’t cause you problems. However, using Pyrex in the microwave doesn’t always bring advantages. There Are some pitfalls too.
So let’s shed light on the benefits and the downfalls of using Pyrex in the microwave.
Certainly! Here is a step-by-step guide on how to prevent Pyrex from exploding:
- Choose the Right Pyrex: Not all Pyrex glassware is created equally. Be sure to select borosilicate glassware that can withstand thermal shock. This type of Pyrex glassware will be labeled as “thermal shock resistant” or “borosilicate” and is more durable than other types of glass.
- Avoid Extreme Temperature Changes: Pyrex glassware can break if it goes through sudden temperature changes, such as going from the freezer to the oven. To avoid this, always let your Pyrex come to room temperature before exposing it to extreme temperatures.
- Preheat Gradually: When using Pyrex in the oven, preheat the oven gradually to allow the Pyrex to heat up slowly with the oven. This helps to avoid sudden temperature changes.
- Don’t Use Damaged Pyrex: If your Pyrex has any chips, cracks, or scratches, it could weaken the glass and make it more likely to break. Always inspect your Pyrex for damage before using it.
- Avoid Direct Heat: Never place Pyrex glassware on a direct heat source, such as a stovetop burner. This can cause uneven heating and potentially lead to breakage.
- Handle with Care: Be gentle when handling Pyrex glassware. Avoid banging it against other cookware or hard surfaces, and never use metal tools or utensils in it.
By following these steps, you can help prevent Pyrex from exploding and ensure that your glassware stays in good condition for years.
Does Pyrex Glassware & Cookware Worth It?
Pyrex products have an average lifespan of 10 years. However, the time may vary depending on the size and quality of the dish.
You can easily clean Pyrex by putting them in the dishwasher. Furthermore, they can be soaked in a warm soapy water solution before being rinsed. However, metal sponges should not be used. It is best to use a soft sponge to avoid scratches.
You’ll get various Pyrex dishes in the market for cooking, heating, and baking. Vegetables, yogurts, and cupcake-friendly dishes are also available in the market.
Therefore, despite all of the downfalls, pyrex is worth your money. You won’t encounter any unfortunate outcomes if you use them per the manufacturer’s instructions.
You can find instructions for using Pyrex cookware and glassware on the Pyrex website. The manufacturer’s instructions must be followed, and the products must be used as directed.
Important Tips for Using Pyrex Utensils
Follow these tips for better and long-lasting Pyrex utensils –
1. Avoid Using High Temperatures for Glass Cookware
It is harmful to you and the microwave to use glass cookware at high temperatures. The glass you use will eventually be affected by extreme temperatures. You shouldn’t use glassware for baking and grilling.
2. Use Mild Scrubbers for Tougher Stains
Your Pyrex dish will inevitably have some stains after cooking. You can remove normal stains by soaking them in warm water. Don’t go for using any hard scrubbers. Mild cleaners can also remove tough stains without scratching the surface.
However, you should not use scrubbers to clean painted and decorated surfaces on Pyrex dishes.
3. Don’t Use a Dishwasher
Dishwashers are also compatible with Pyrex, but it’s not recommended to wash Pyrex in them.
Pyrex cookware is slowly damaged instead of being cleaned safely by this acid. Hence, you should hand wash Pyrex lids instead of putting them in the dishwasher.
4. Store And Handle Them Safely
Pyrex dishes must be handled carefully to maintain their quality! Despite Pyrex’s heat-resistant and durable nature, Pyrex glassware is still prone to breaking. You can extend the life of your Pyrex glassware if you handle it properly.
Additionally, Pyrex needs to be stored properly. You should ensure that any shelving or rack you use can support several Pyrex dishes. Keep Pyrex glassware away from sharp edges or materials that might scratch or discolor it.
Conclusion
Pyrex glassware and cookware are popular choices for cooking and reheating food, but many people wonder if using them in the microwave is safe or not.
Yes, it’s completely microwave safe. I tried to include every necessary thing you should know regarding Pyrex microwave safe. Hopefully, all your queries have been answered about whether can you microwave Pyrex or not”.
However, it is important to keep in mind that Pyrex should not be exposed to sudden microwave temperature changes as it can result in breakage or cracking. To prevent this, avoid pouring hot liquids into cold Pyrex or placing hot dishes on cold surfaces.
Following these simple guidelines above, you can safely use your Pyrex glassware and cookware in the microwave without any worries.
Frequently Asked Questions [FAQ]
Can You Microwave Pyrex Measuring Cup?
Yes, you can microwave a Pyrex measuring cup. It is made of glass and is safe to use in the microwave. However, you should never put a cold Pyrex measuring cup into a hot oven or microwave, as it could shatter.
Additionally, always check your microwave’s instructions before microwaving any glassware to ensure it is safe.
Why is Pyrex Exploding in the Microwave?
Pyrex exploding in the microwave is a serious safety hazard. The glassware can easily break and splinter when exposed to high temperatures, potentially causing injury or damage to property.
Always follow the instructions and never exceed the recommended cooking time when using Pyrex in the microwave. Also, you need to check for any signs of wear and tear before using it and be sure it is not overloaded with food.
If you hear a loud popping sound during cooking, immediately switch off the microwave and wait for the glass to cool down before attempting to remove it.
What Temperature Can Pyrex Shock?
Pyrex is known to be a strong and durable material, but many people don’t know the temperature it can withstand. It has been tested and found that Pyrex can withstand temperatures up to 425°F before it begins to experience thermal shock.
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