ViolaineGray
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Modern Pyrex is soda lime glass instead of borosilicate (assuming this is made by World Kitchen), so it won't hold up to as high of temperatures as the old borosilicate glass made by Corning. However: never put glass bakeware directly on a burner or under a broiler. Pyrex is not broiler safe, as far as I know.
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ViolaineGray
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stupidone0 wrote:It says in the item description that the bakeware is broiler safe, but the other stuff is not. Are you sure?
Yep. I'll defer to Pyrex's website on this one:
Keep in mind, all glass, whether soda lime or borosilicate, can experience thermal breakage if exposed to sudden or uneven temperature changes. You can avoid the most common causes of thermal breakage by following four simple rules:
1. Always place hot bakeware on a dry, cloth potholder or towel.
--Never place hot bakeware on top of the stove, on a metal trivet, on a damp towel, in the sink or directly on a counter.
2. Never put bakeware directly on a heat source such as on a stove top, on a grill, under a broiler or in a toaster oven.
3. Always allow the oven to fully preheat before placing bakeware in the oven.
4. Always cover the bottom of the dish with liquid before cooking meat or vegetables.
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smartheart
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I've had several pyrex items break in the last few years whereas their predecessor items lasted decades. Most recently, a large pyrex measuring cup with 170 degree hot water "exploded" when I placed it on some room temperature (80 in this case) formica. I was left with sharp shards AND what kind of looked looked like crumbled glass. I found a lot of info on the internet when I got curious about what was going on. I won't pass judgment on what I've read other than to say I've lost a lot of the confidence I had in Pyrex but if you've got the time you might find it interesting reading if you did some surfing.
"Three be the things I shall never attain: Envy, content, and sufficient champagne."
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ViolaineGray
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colleenkulesza wrote:Actually they started using the soda lime glass in the 40s before Corning sold them. This whole story about them being suddenly inferior is an urban myth.
http://www.snopes.com/food/warnings/pyrex.asp
I never said it was inferior. To clarify what I said: soda lime glass has more mechanical strength than borosilicate, but it does not hold up to the heat in the same way, which can cause fracturing from heat stress. I'm pulling this information from here: Stats.org.
The downside is that soda lime isn’t able to withstand temperature changes in the way the old Pyrex (borosilicate glass) could. The coefficient of thermal expansion for borosilicate glass is 35 x 10 to the power of minus seven, inch per inch per degree centigrade, while that of heat-strengthened soda lime glass is 85 x 10 to the power of minus seven, inch per inch per degree centigrade. This means soda lime glass has three times the thermal expansion of borosilicate glass, which accounts for greater dynamic breaking when a hot soda lime dish encounters a cold, wet surface – which is why the manufacturer warns not to expose dishes to such temperature conditions.
The reality though is that if people are more likely to injure themselves by dropping a dish, the change to soda lime represents a greater net safety benefit.
I will, however, totally own up to not knowing when they started using soda lime.
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ViolaineGray
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mrinvegas wrote:I love Pyrex, although I do agree this should be under the Home woot section.
They changed the site up - the best deal of all sites will be on the home page now.
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ViolaineGray
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CrystalSinger wrote:
I'm tempted, as some of the stuff in this set looks like stuff I could use. I would have liked to have seen close up views of the bowls as well as the baking dishes and the measuring cup. Any chance of that?
The bowls look similar to the bowls in this set, which I was planning on buying anyway - our family is trying to go 'Gladware-free'.
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ViolaineGray
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CrystalSinger wrote:I'm confused about what makes something "the best deal" however. There are two other items on the other tabs that are higher percentages off the retail prices - what makes this "the best deal" of all the sites?
*points above*, but I will repost the admin's quote here:
ThunderThighs wrote:Woot will be the best deal of the day in any category. Could be something from Home, Sport, Kids, or Tech. Best. Deal. Period.
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