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One of the most challenging parts when polishing glass with an automatic grinder is to overcome surface tension: that moment when the slurry mix and the water on the metal disc get literally “glued” to the glass sculpture and don’t want to let go of each other. It is a moment of tension because you can easily break the glass sculpture trying to apply force to separate both surfaces.

Continue reading “How to overcome surface tension during optical glass polishing”

Posted on January 14, 2018