does anyone know the pulling temp of alumina silicate glass. when we pull the glass seems to be very thick and full of airlines. we are pulling from a crucible that holds about 90#s of glass cullet. and we cant seem to get the defects out
does anyone know how to get the "BOW" out of glass tubing when pulling...Im pulling a very soft lead glass into tubes about .154 diameter and i cant seem to get the bow out of the rod . any hints??????