Harold, I will check at the auto hobby shop on base, they may have a bead blaster. In absence of getting my hands on any sodium hydroxide, is there any household item that I may use to acid etch it l
Mike, I'll tell you something that will etch it if not faster than sodium hydroxide (household lye). It's the copper etchant that is used to etch PC boards. There's two kinds and neither like aluminu
Mike, You can buy ferric chloride from most Radio Shack stores in bottles. Also, most all electronic suppliers carry it like Allied and Mouser. They can ship this by UPS or FedEx direct to your door.
Mike, You may get by with those chunks if they'll ship by USPS. Would there be anything on board like muratic aicd, etc? That could be used to etch it or any corrosive. What about acid to refill batt