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How much isopropanol is effective but safe for viny?

I make my own cleaning fluid using isopropanol and distilled water but am aware that some think IPA is not good for vinyl. Since  the contact time is quite limited I think that it is probably OK to use a small amount as a solvent for greasy contaminants. What do you thing know is a safe level? 25  percent, 10 per Cent , or some other level??

rrm

Showing 2 responses by bimasta

bimasta's avatar
bimasta
227 posts
 
The label on my 91% Isopropyl says the other 9% is distilled water. Since we’re all diluting our various alcohol formulations with distilled water anyway, why does 9% already added make Isopropyl unsuitable? Does it contain other impurities? Is the distilled water it contains not distilled enough?
Not criticizing, seeking knowledge.
BTW, have you tried making coffee with distilled water? It’s quite different: pure coffee flavour, with no added mineral tastes. I love it... but coffee is a very personal thing...
bimasta's avatar
bimasta
227 posts
 
Not all surface debris is light fluffy dust — some is gritty and abrasive. Wiping "with a good amount of pressure" worries me, it might grind that stuff in, drag it around, and premanently scar the vinyl. Have you encountered that, Invictus?
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