Re: Head demagnetizer cassette
I bought 99.9% IPA recently (last year) from my local chemist, or was it eBay? I can't remember now, but has it suddenly become illegal? I've always used it back in the day for cassette and R2R pinch rollers, as well as the heads, both as a consumer and professionally. I've never noticed any problems and if it's pure it evaporates almost instantly. It is true it will continue to remove rubber if you go mad but a judicial regular use is always best.
What I find more debatable often recommended elsewhere is things like using NuFinish as a regular 'lubricant', because it has a mild cutting compound in common with many car polishes and synthetic motor oils for a general bearing and motor oil, because it naturally has detergents not designed for precision bearings in other applications and is designed to work best under great pressure and heat.
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