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SparkFun Electronics will be closed in observance of memorial day on Monday, May 29th. We will resume normal business hours on Tuesday, May 30th. Any orders placed after 2pm Mountain Time on Friday, May 26th will process and ship out on Tuesday, May 30th.

Member #146200

Member Since: August 10, 2010

Country: United States

  • Oh yeah, of course it is an insulator. It’s the same stuff they saturate motor windings and transformer coils with.

  • I would be inclined to try a coat of shellac or shellac based sealer like Kilz between the layers. It uses alcohol as a solvent so it dries very quickly. Woodworkers and painters use it to keep incompatible finishes from interacting. It sticks to most everything and most any finish can be used over it. I’ve used it with oil and latex paint as well as oil based stain, water based stain, oil and water based polyurathanes, and laquer. I don’t know what its electrical properties are, but it will at least keep your layers physically seperated.

No public wish lists :(