Inspection of glass products need to pay attention-2
5, the glass frit should melt well and evenly, as much as possible to avoid the stones
(not fused slag), stripes. Bubbles and other defects.
6, glassware 1CM above can not have bubbles (bubble effect glass excluded), the
mouth diameter greater than 2MM the number of bubbles can not exceed two or
more than 1MM diameter bubbles can not be more than three. And the phenomenon
of bubbles together can not be accepted.
7, the finished glass products, to fade the temperature (fire) 8 hours or so, at least
six hours to retire to ensure the quality of a more stable, to prevent the product will
automatically burst. Glass bottles and jars should have a certain thermal stability,
from hot water to bad cold water, the general temperature difference in the 39 degrees
below the test without damage.
