olivier wrote:Glad it all went well... In fact, I am thrilled it all went well... Great testimonial for the book !
Removing bits of shell from the metal can be a mission. The longer you wait the harder it gets. Best to clean the casting as soon as possible.
Vigorously hammering the button will make the metal vibrate and make most of the shell come off in large chunks. No matter what, there will always be small to very small bits stuck in small anfractuosities and defects.
A sand blaster will clean your bronze quickly and thoroughly. If you are only casting very occasionally, this may be a superfluous expense… Find someone amongst your friend or neighbours… Many car electrical workshops have one for the purpose of cleaning parts of oxidation… They’ll let you use it for a beer or a song if you can sing.
I hope this helps.
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