Dear all,
        My thanks to those good peple who answered my query on FDA approval, it
was all very useful.My customer was most Pleased.

Here is another Question. What is the best way to clean epoxy and
polyimide resin spew from the surface and from the pin location holes of
stainless steel shims?

Years ago we used to use Chlorinated solvent but that is now banned. We
currently brush the shims in a Schmid deburring machine after use but
have to manually clear the holes. Concentrated sulpuric acid has been
suggested. This is not an option I would willingly take. Are there any
other alternatives?

Thank you

Roger Hammond

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