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JCPenney.com Black Friday: 18-piece Pyrex Storage Set $15.00

yuugotserved 131,174 November 10, 2012 at 11:21 AM

Thread Details

JCPenney.com has 18-piece Pyrex Storage Set for $15.00 on November 23rd (BLACK FRIDAY).

Additional info:

Description: Great for keeping your leftovers in these glass containers with lids!
Category: Kitchenware



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Joined Jan 2011
L2: Beginner
58 Reputation
JCP has removed the link for now...for those wondering they normally sell that set for $35
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Joined Aug 2010
L1: Learner
10 Reputation
Is this set glass?
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Joined Nov 2008
L3: Novice
46 Reputation
Quote from jfrankl4 View Post :
Is this set glass?
yes, with plastic lids
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Joined Dec 2009
L6: Expert
206 Reputation
this is a great deal. Glass containers are so much better to use than plastic
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Joined Aug 2006
L4: Apprentice
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Joined May 2008
22 Reputation
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."

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Joined Aug 2012
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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.
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Joined Dec 2008
L3: Novice
18 Reputation
These things get extremely hot (compared to rubbermaid plastic) when using in microwave... I have to use a cloth to take things out.
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Joined May 2009
L7: Teacher
571 Reputation
any word on these being leak-proof?
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