So the answer to the question "Is all pyrex oven safe?" is yes. Is Pyrex safe in the oven? Nowadays, both Pyrex brands label their glass products oven-safe, guaranteeing the safety of cooking glassware in the oven. The European PYREX®brand still manufactures its products from borosilicate glass. They appeared to become pioneers of the Le Pyrex brand in France. In 1922, in France, the first borosilicate balloons were produced by glassblowers Clovis and Léon Régent. The new Pyrex is tempered glassware with the pyrex® logo made nowadays.īut what is PYREX® (all caps) brand that still produces borosilicate Pyrex products? You can probably find it in your grandmother's and mother's cabinets. So old Pyrex is borosilicate glassware produced before 1998. However, tempered glass has a higher mechanical strength when dropped than borosilicate. It withstands high temperatures, but it doesn't quite match borosilicate glass. Tempered soda-lime glass is heat or chemically tempered and is made of silica sand, sodium oxide, and calcium oxide. In 1998 when the Corning company sold its brand to the World Kitchen company, borosilicate Pyrex was switched to a cheaper alternative, heat-strengthened soda lime glass. Initially, Pyrex pieces were manufactured by Corning company that used borosilicate glass, resistant to sudden temperature changes, aka thermal shock.īorosilicate glass is made by mixing silica sand with boron trioxide, which provides high durability. Is there such a thing as old Pyrex and new Pyrex? If yes, what is the difference? Once again, with Pyrex dishes, we speak about the iconic kitchen glassware made by the Pyrex brand. Pyrex is made of glass, so you should not confuse the Pyrex brand with Pyrex material that doesn't exist. Pyrex glass is a branded glassware with a long history since 1915. Or you can use metal bakeware and adjust the oven temperature and baking time to ensure the best result.įor the ultimate convenience, invest in a high-quality borosilicate Pyrex pan that can be used in ovens and microwaves, in your refrigerator, or freezer. Jump to:įor a classic look, you can bake your favorite French Brioche Toast Casserole with an oven-safe ceramic or glass dish. Instead, you can go for decluttering the kitchen and toss some away.īut in general, you can have a couple of baking dishes and take advantage of them with the full knowledge of how to use them safely. World Kitchen now owns the Pyrex brand and has reintroduced some of the popular patterns, so it is important to verify you have the vintage version.Your kitchen can be a busy and cluttered space, but with the right baking tools, it doesn't have to stay that way. Clear tinted glassware lines, like Flameware, Fireside, and Vision, were also common, and their individual hues can help identify and date them. Limited patterns and promotional patterns were also released over the years, although they may be more difficult to find. For example, the Gooseberry, Butterprint Amish, and Spring Blossom patterns are all considered Americana patterns says BonAppetit. Sometimes, groups of patterns are referenced together. Butterfly Gold had a floral pattern in the 1970s.Īutumn Wheat" showcased sheaves of wheat in the 1980s.Friendship highlighted deep orange and yellow roosters in the 1960s.New Dot featured large colorful dots on white in the late 1960s.Town and Country designs featured abstract star-like motifs in the 1960s.Gooseberry, featuring the berries on vines with leaves, was popular in the late 1950s through most of the 1960s.Butterprint farm scenes with male and female figures, roosters, and plants decorated Pyrex from the later 1950s to late 1960s.Snowflakes (both white on blue and white on black) ruled from the mid-1950s to late 1960s.Primary colors (red, yellow, blue, plus green) were popular from 1945 to 1950.The Corning Museum of Glass's Pyrex Pattern Library has a timeline that features popular colors and patterns through the years. Everything You Need to Know About Collecting Vintage T-Shirts.10 Old Bottles Worth Money & a Handy Price List.Valuable Old Glass Bottles: Markings & Tips to Understand Them.Pastel shades of blue, green, pink, and more became common, although bright primary colors also had their time along with more muted earth tones. In the mid-1940s, however, colored and patterned bowls and casserole dishes began appearing and are what many collectors seek today. Pyrex glassware made by Corning Glass Works was originally clear. The pattern is the first thing to check out on your Pyrex. How to Tell If Pyrex Is Vintage Using Patterns and Colors
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