Talk:Soda-lime glass

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[edit] Relation to cristallo

Some web sites indicate that soda-lime glass was invented around 1450 in Murano, where it was named cristallo.EAS 05:01, 17 November 2006 (UTC)

I believe the "Typical thermal/Mechanical Properties" is for borosilicate glass, not soda-lime glass, as I know the annealing temperature of soda-lime glass is 968 degrees F.66.32.207.199 18:17, 31 January 2007 (UTC) - Corrected--Afluegel (talk) 12:35, 20 December 2007 (UTC)

[edit] Pyrex made from soda-lime glass?

In reference (1) in the pyrex article it is stated: "Pyrex(R) glass products are made of soda lime glass and are available in a number of sizes, shapes and colors for a variety of cooking and storage functions." However, I do not believe that the person who wrote this up (what is his/her name actually?) really knows what he is talking about. If bakeware really would be made of soda-lime glass it would shatter quite often during baking or when exposing it to cold air afterwards, and the product would not sell any longer. I would like to propose replacing reference (1) in the pyrex article with one in a well reviewed technical book or journal. This discussion should not influence the soda-lime glass article.--Afluegel (talk) 10:19, 26 January 2008 (UTC)

This is not true. I emailed Pyrex and received this response: Consumer Help Center <HelpCenter@worldkitchen.com> to xxxxx@xxxxx.com, subject RE: Pyrex - General Question Reply Thank you for contacting World Kitchen, LLC Please be advised that all Pyrex is made from soda-lime glass.

For further assistance, please contact our Consumer Care Center at 800-999-3436. Representatives are available from 8am to 6pm, EST, Monday through Thursday and 8am to 5pm on Friday, and will be more than happy to assist you.

Sincerely,

Tiffany World Kitchen Consumer Care Center 800-999-3436

You can visit http://www.pyrex.com (http://www.pyrexware.com/ for the USA site) and ask them yourself if you'd like. —Preceding unsigned comment added by 70.248.177.202 (talk) 22:02, 26 January 2008 (UTC)