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Preventing Dichroic Glass from Chipping when
Grinding
One common problem with grinding glass with a coated side,
such as dichroic or iridescent glass, is that the coating tends to
chip when ground. Here are some suggestions for avoiding this
problem:
1. Scoring the glass on the uncoated side will generally
result in less chipping.
2. Standard thickness glass (1/8" -- 3mm) is less likely
to chip than thinner glass (1/16" -- 1.5mm).
3. An old grinding bit, which has significant wear on
the diamonds, will often work better than a new bit.
4. A grooved mirror grinding bit generally works better
than a standard or fine grit bit.
Click here for a related
topic, which involves using etching cream as an edge treatment for
the dichroic glass.
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Copyright 2006 Brad Walker.
All rights reserved.
This tip taken from posters on
the Warm Glass bulletin board.
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