Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)

[Pete Lancashire]

My error did mean to say 90% just got a bit too wound up with so many
suggestions that could destroy the coating.

On Jan 5, 2017 7:49 AM, "Al Kossow" <aek at bitsavers.org> wrote:

> 91% IPA works fine.
> 99% is better though i'm skeptical it really is
>
> https://www.quora.com/When-is-70-isopropyl-rubbing-alcohol-better-than-91
>
>
>
> >> In the US, "rubbing alcohol" is mostly denatured ethanol (though
> "isopropyl rubbing alcohol" is mostly IPA), but always contains other
> chemicals as well.
>
> https://www.lewisu.edu/academics/biology/pdf/isopropanol_91.pdf
>
> IPA
> Water
>
>
>
>