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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
uncledemp
779 posts
 
Just saw your post- 

Search the forums for the formula, I remember seeing and using it in the past. 

The formula spells out the specific alcohol to use and suggests adding a few drops of ‘drying agent’ used in automatic dishwashers. 

Sorry I can’t remember the specifics.

Regards
gary
invictus005
597 posts
 
100% effective, 100% safe.  Vinyl records can be submerged for decades in 100% concentration and remain like new. Plasticizers don’t leach in alcohol. Alcohol has the same PH as water. Alcohol has virtually ZERO impact on vinyl records. This has been a non issue for over 100 years. There are thousands of articles and real lab studies published online. 
route-66's avatar
route-66
56 posts
 
I've used a 50/50 mixture of distilled water and cheap vodka for years with great results.
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