bigjim Posted October 31, 2017 Report Share Posted October 31, 2017 When using rubbing alcohol for things like cleaning something what is the significance of say 50% versus a stronger concentration? Actually I wonder what difference it makes when using it medically at one concentration versus another. In the current case I am using to clean a surface before appling a patch. Link to comment Share on other sites More sharing options...
Al F Posted October 31, 2017 Report Share Posted October 31, 2017 Acetone is a better cleaner before applying tape or glue than alcohol. Link to comment Share on other sites More sharing options...
sandsys Posted October 31, 2017 Report Share Posted October 31, 2017 I use the alcohol prep pads from my glucose testing to clean where I will use Command Strips. The box says those pads are 70% alcohol. Been doing this to hang and remove many strips over the years. The only failure I had was when I hung something on a hook that was heavier than the hook was rated for in a bathroom without using the special strips for humid areas. Linda Sand Link to comment Share on other sites More sharing options...
bigjim Posted November 1, 2017 Author Report Share Posted November 1, 2017 I considered using something else to clean/prep but the instructions said to prep with alcohol so I went that way. I used the cheap stuff 50% from Dollar General and that got me to thinking about the percentages. I had also used it on the inside of my windsheild on the film that develops over time. It didn't work well for that. I used something else on another windshield years ago but can't remember what it was. May have been Acetone. I tried vinegar, ammonia and a couple of other things that didn't work. I did use some WD-40 in just the area of the registration sticker but of course had to get that off before I put the sticker on. Link to comment Share on other sites More sharing options...
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