Glass bakeware, cookware and food storage containers like these Pyrex bowls is something commonly found kitchens across America.
Believe it or not, glass cookware from Anchor Hocking and Pyrex has been classified as a potential household hazard.
It’s said that exploding glass cookware can send razor-sharp shards of glass flying in all directions, creating the possibility of serious (and permanent) injury to anyone within a few feet of the explosion.
Why Glass Cookware Explodes
Technically, “exploding” isn’t what’s taking place here.
The more correct term is “shattering“.
Indeed, glass can shatter when it strikes (or is struck) by something, or if there is a defect in the glass such as a chip or crack.
A difference in thermal tension can also cause glass to shatter. As an example, if you place a glass cooking container right out of the oven onto something much cooler (such as a damp or wet countertop), the glass container could shatter. With thermal tension being the cause, it could easily be seen as an explosion — because glass will definitely be flying about.
Thermal fatigue can also be a factor in older cookware. When small cracks develop over time — some so small they can’t be seen by the naked eye — the change in temperature can be enough to cause the glass to shatter. Include just the slightest chip on the edge and bingo, the next time in the oven may be the last.
The Type Of Glass Used May Be To Blame
With regard to the exploding Pyrex phenomenon, many have pointed the finger at the fact that Pyrex has altered its recipe for making glass cookware.
In the past, Pyrex was made from borosilicate glass. But now, as a cost savings measure, it’s made from heat-strengthened soda lime glass. Soda lime glass experiences 3 times more thermal expansion than borosilicate glass — meaning the potential for shattering is 3 times higher.
As with many things, there is a trade off. While thermal expansion may be greater with soda lime glass, its mechanical strength when heat treated is more than double that of borosilicate glass. What this means is soda lime glass bakeware is much less likely to break when dropped or hit against something.
URGENT! Warning! Anchor Hocking vs pyrex! #shorts #shortsfriends
FAQ
Does Anchor Hocking shatter?
Is Anchor Hocking glassware safe?
What is the maximum temperature for Anchor Hocking glass?
What is better Pyrex or Anchor Hocking?
Can Anchor Hocking Glass explode?
So, if you use your Anchor glass in pre-heated gas, convection oven, and microwave oven under 425-degree Fahrenheit temperature and don’t use your Anchor Hocking glass directly from the freezer and refrigerator to ovens and microwave oven, then your Anchor Hocking glass will not explode. Otherwise, your Anchor Hocking glass may explode.
Is Anchor Hocking Glass safe?
Anchor Hocking Glass is enough durable and safe for use in pre-heated gas, convection ovens, and microwave oven up to 218-degrees Celsius (425 degrees Fahrenheit) temperature. However, Anchor Hocking glass is not safe for use on direct heat sources or under the flame.
Can you use Anchor Hocking in the oven?
You can use the Anchor Hocking TrueSeal Food Storage Containers in the microwave and the oven—though, the plastic lids obviously have to stay out of extreme heat. For use in the oven, the glass containers are safe at temperatures up to 425 degrees. Is Anchor Hocking Bakeware safe? Anchor Hocking bakeware is safe.
Does Anchor Hocking have a recall?
Anchor Hocking has never had any of its products recalled by the Consumer Product Safety Commission (CPSC). How can you tell if glassware is oven safe? Some glass containers are oven-safe while others are not.