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Anti fire scale vacuum casting process


I have been vacuum casting sterling silver for around 40 years.
Originally I designed all my projects so that I could remove fire
scale by wet sanding.

Around 20 years ago I stumbled on a process that eliminated fire
scale during vacuum casting. Its a very simple process that works. I
can now create3D items without fire scale.

Check the process out. I wrote two papers describing the process and
they are in Orchids "Tips From the Jewelers Bench"

The process works and will save on material cost.

Lee Epperson