"Pyrex was extremely popular during those years as people could add fun and function to their kitchen and dining spaces," Wright notes. The glass could withstand extreme temperature changes without shattering, which added to its practicality and made it ideal for baking and cooking, she adds.
Durability: Pyrex is known for its durability and resistance to thermal shock, making it practical for both cooking and baking. Vintage pieces often have a reputation for being even more robust than some modern glassware.
Pyrex used to be made of the more heat-resistant borosilicate glass, which is more resistant to breakage when subjected to extreme shifts in temperature. Pyrex eventually switched to tempered glass most likely because boron is toxic and expensive to dispose of.
Tempered Soda Lime. The various formulations for Pyrex glass have been a source of controversy for many, as well as a source of consumer lawsuits over shattering bakeware.
As Cruz explains, the majority of Pyrex collectors do it for the nostalgia: They grew up with Pyrex pieces and appreciate the reminder of home. Others love the retro style. But no matter what draws you to old-school Pyrex, there's one hard-to-beat benefit to the game: These pieces are forever useful.
Patterned Pyrex—such as the 1956 Pink Daisy or the 1983 Colonial Mist colorways—tend to be valuable as a collector's item. Other popular patterns include the 1957 Butterprint, which features an Amish couple and their crops, and has been valued at a few hundred dollars.
Vintage Pyrex has been very popular amongst antique collectors everywhere, but it has recently become a thing for millennials and Gen Z to collect. Pyrex is all over TikTok, with creators showing off their colorful collections.
The differences between Pyrex-branded glass products has also led to controversy regarding safety issues—in 2008, the U.S. Consumer Product Safety Commission reported it had received 66 complaints by users reporting that their Pyrex glassware had shattered over the prior ten years yet concluded that Pyrex glass ...
Corelle Brands is home to iconic, category-leading brands, including Instant™, Corelle®, Pyrex®, Corningware®, Snapware® and Chicago Cutlery®. We're passionate about delivering products that facilitate the joy we find in cooking and sharing food with family and friends.
According to Pyrex's safety and usage instructions, “While the glass is designed for temperatures typically used in baking, it can break when exposed to the direct heat element while the oven is preheating.”
pyrex: Lowercase indication of containers that should not be heated in the oven or microwave. These are most likely made of soda-lime glass. PYREX: Uppercase label on cookware that is made of borosilicate glass and can be heated in a microwave or oven.
It's tempered, meaning it's been heated and cooled in a manner that makes it more durable under future temperature fluctuations. It's less likely to break under an impact, and when it does, tempered glass breaks into diamond-like cubes instead of long, pointy shards, so it's a little safer to deal with.
The USDA Food Safety and Inspection Service has deemed Pyrex as microwave safe. There are some things you need to know though! Pyrex is made of either borosilicate or soda lime glass and is heat resistant up to 425 degrees Fahrenheit, making it a good option for microwaving.
This is mainly due to the versatility of the glass and its suitability to be used in the oven, microwave, fridge and freezer, making it really useful and practical. Glass dishes also mean that after enjoying a delicious meal you don't have to spend a long time washing up as the material is incredibly easy to clean.
Along with Butterprint, Gooseberry was one of the first patterns debuted on the new “Cinderella Bowls.” Cinderella Bowls were a series of large nested mixing bowls with a handle or spout on each side, which were designed by John Philip Johnson.
The secret is simple—check the logo. If the brand name is in all capital letters, it's vintage Pyrex. If it's all lowercase, it's modern.
Corelle products purchased after 2005 are safe and comply with FDA regulations. Now, if you have any older dishes, that gets a little trickier. You'll want to avoid eating off of older Corelle dinnerware if it shows obvious signs of deterioration; if the glaze is worn, if the paint is melting or chipping, etc.
Corelle Brands' (then known as "World Kitchen") 2001 annual report indicated that the stovetop and dinnerware product lines were halted at the end of the century "as part of a program designed to reduce costs through the elimination of under-utilized capacity, unprofitable product lines, and increased utilization of ...
CorningWare and Pyrex, both manufactured by the same company, are two frontrunners when it comes to bakeware, but if you have limited space or are shopping on a budget, it can be hard to choose between the two. When choosing a casserole dish, the top pick is CorningWare, for its flexibility, versatility and safety.
According to the FTC, during the pandemic, Pyrex measuring cups sold on Amazon.com were advertised as made in the United States. In reality, some glass measuring cups were imported from China.
Baking glassware such as Pyrex dishes in usable condition should be donated to local thrift stores or otherwise reused. If unusable they should be thrown away in the trash. They should not be added to curbside recycling. They are made of a different material than glass bottles and jars.
"The vintage designs and patterns of Pyrex evoke a nostalgia, which adds to its value for collectors. Many people will recognize a pattern we have a piece of in stock and say, 'Oh, my grandmother used that pattern. '" In some cases, Grandma still has that dish (and you should definitely keep it in the family!).
Decorative patterns are also key to determining the glassware's value. Lucky in Love, a sweet pink and green design, is prized for its rarity and promotional production. Wright notes that Amish Butterprint, Pink Gooseberry, Snowflake Blue, Crazy Daisy and Friendship are also considered valuable in the Pyrex community.
While the Pyrex® brand was born right here in Corning, NY, it has been made in various places throughout its 100 year history. Currently, Corelle Brands manufactures Pyrex consumer products in Charleroi, PA., where Corning Glass Works first produced its opalware dishes beginning in the 1940s.
There is one caveat to using your vintage Pyrex, though: Do not use any vintage dishes that are chipped or cracked—in the oven or otherwise. Heating, washing and generally using items with these sorts of flaws can cause the dishes to crack entirely or release more chips of glass.