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Old 11th Jul 2016, 11:25 pm   #5
fetteler
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Join Date: Jul 2011
Location: Staffordshire Moorlands, UK.
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Default Re: AKAI 1722-L reel to reel

The crumbly zinc aluminium alloy that we're talking about here is known as 'pot metal'.

There's no strict formula for it so stuff made from it can be quite variable in quality, sometimes there's nothing at all wrong with the parts and whilst other bits crack and crumble over time

Pot metal:

https://en.wikipedia.org/wiki/Pot_metal

Cheers,
Steve.
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