Subject: Fused quartz ( was boiler inspection .....)

From: [email-masked] (Steve Rayner)
Date: Sat, 27 Jul 1996 10:41:53 GMT

Fused quartz has a lower expansion ratio than pyrex, so it should be better.
If my memory serves me correctly, pyrex is 5% glass, and 95% quartz.
-- 
Steve.

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