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|Topic Review (Newest First)|
|11-22-2012 03:00 PM|
|sixty4bit||any word on these being leak-proof?|
|11-22-2012 09:26 AM|
|coolguy82||These things get extremely hot (compared to rubbermaid plastic) when using in microwave... I have to use a cloth to take things out.|
|11-21-2012 10:01 PM|
|Jack1969||Dead as a door that was never crafted. Dead as a deal that was meant to be Pinocchio but ended up like a creepy doll.|
|11-21-2012 03:41 PM|
Pyrex, not what it used to be...
Make sure it is "Borosilicate glass". Corning sold the Pyrex brand to World Kitchen in 1998 and they started marketing Pyrex as pre-stressed soda-lime glass.
This from Popular Science:
"Pyrex, which originally was always borosilicate glass, solved this problem by adding boron to the silica (quartz), the main ingredient in all glass. Boron changes the atomic structure of glass so it stays roughly the same size regardless of its temperature. Little thermal expansion means little stress. Thus borosilicate glass withstands heat not because it’s stronger, but because it doesn’t need to be stronger."
"When World Kitchen took over the Pyrex brand, it started making more products out of pre-stressed soda-lime glass instead of borosilicate. With pre-stressed, or tempered, glass, the surface is under compression from forces inside the glass. It is stronger than borosilicate glass, but when it’s heated, it still expands as much as ordinary glass does. It doesn’t shatter immediately, because the expansion first acts only to release some of the built-in stress. But only up to a point."
|11-20-2012 03:41 AM|
|11-19-2012 07:28 PM|
|nonstopfan||this is a great deal. Glass containers are so much better to use than plastic|
|11-18-2012 06:07 AM|
|11-18-2012 04:50 AM|
|jfrankl4||Is this set glass?|
|11-16-2012 08:55 AM|
|BitterYouth||JCP has removed the link for now...for those wondering they normally sell that set for $35|
|11-10-2012 11:21 AM|
JCPenney.com Black Friday: 18-piece Pyrex Storage Set $15.00
JCPenney.com has 18-piece Pyrex Storage Set for $15.00 on November 23rd (BLACK FRIDAY).
Description: Great for keeping your leftovers in these glass containers with lids!