http://www.talkglass.com/wiki/api.php?action=feedcontributions&feedformat=atom&user=204.69.220.34 2026-04-16T20:15:20Z User contributions MediaWiki 1.18.0 http://www.talkglass.com/wiki/index.php?title=Soft_glass 2007-01-16T16:23:34Z

<p>204.69.220.34: </p> <hr /> <div>Soft glass is a high COE (~90-105) glass commonly used in furnace glassblowing and for beads and jewelry. It is very prone to thermal shock (cracking) if heated or cooled too quickly.</div>

204.69.220.34 http://www.talkglass.com/wiki/index.php?title=Borosilicate 2007-01-16T16:22:19Z

<p>204.69.220.34: </p> <hr /> <div>Borosilicate glass (&quot;boro&quot;) is commonly referred to by the general public as &quot;Pyrex&quot; glass -- one of the first brand names under which it was sold. It is very resistant to thermal shock compared to [[soft glass]]. It is sold now under a wide variety of brands -- Schott, Pyrex, Chinex, etc.</div>

204.69.220.34