Quote:
Originally Posted by dtvmcdonald
I talked to our department glassblower, who sometimes faces the exact same problem.
He said he will send a couple of suggestions to try, if you have not already tried them.
More important, there is glassblower's convention in a week or two which he will attend. He will enquire about possible solutions.
In the meantime, do you have the glass data, i.e. expansion coefficient?
Doug McDonald
|
The glass is Corning 0120 Potash Soda Lead The coefficient of thermal expansion (CTE) for Corning 0120 glass is approximately 93.5 * 10-7 cm/cm/ degree C almost identical to Corning 0080 Soda Lime glass