In general most chemical reaction rates double every 10
degrees centigrade increase. Not sure if this applies to
ferric chloride etching. I remember CuCl2 bubble etching
taking some 30 to 40 minutes minuets to chew through 1 oz
copper at 8°C.
Moore wrote:
> What temperature does Ferric chloride need to be heated too for
> improved etch times?
>
> Thanks,
> Phil
>
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