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<p>[QUOTE=&quot;808 raver, post: 9760977, member: 4654&quot;]I think there has been a mix up. French polish, shellac, and lacquer are all the same substance, a bug eats the sap of a tree and poops out a hard resin, this resin is cleaned and pulled into sheets and then broken into flakes, this is called shellac. The shellac is then mixed with alcohol/meths to make all 3, French polish, shellac, and lacquer, they are just different names for the same thing. French polish is a product, French polishing is a process, nowhere did I say French polishing, all I said was French polish. French polish, shellac or lacquer can&#039;t really be applied in one coat and to my knowledge I have never seen it produce this crazing. I am speaking from 15 years of experience using, stripping, refinishing, French polishing with shellac. The only thing I can think of is maybe the shellac was mixed with wax or oil or both, violin makers used to make a substance like this.</p><p><br /></p><p>Ok, further research, It seems a varnish was made from oil and pine resin that produces this effect over time, this is a link to a thread of violin makers talking about it so it looks like this &quot;varnish&quot; and the process of making it is the problem</p><p><a href="https://maestronet.com/forum/index.php?/topic/320096-severly-crackled-varnish/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://maestronet.com/forum/index.php?/topic/320096-severly-crackled-varnish/" rel="nofollow">https://maestronet.com/forum/index.php?/topic/320096-severly-crackled-varnish/</a>[/QUOTE]</p><p><br /></p>

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