Ipa Wipe Down Tricks... Please Post Your Experience

EMIN007

New member
Hi everyone wanted to see what are some of the common practices with IPA wipe down. I'm noticing a lot of time spent wiping with IPA, then wiping with final inspection just to remove the haze that the IPA has left and I wanted to know if there's a more effecient or better process over all. Please post your best practices...
 
If you spray a fine mist (put the IPA in an old windex bottle or something) and just wipe with a MF, you won't get a haze. You get a haze when you use too much IPA. That's my experience at least.
 
EMIN007 said:
Hi everyone wanted to see what are some of the common practices with IPA wipe down...



Let it dwell for a while before wiping, and don't rely on just one try to get all the oils/etc. off.



Also consider using PrepWash along with/instead of IPA, which I find more effective in some cases.




I'm noticing a lot of time spent wiping with IPA, then wiping with final inspection..



Different wipes for different purposes. I use the #34 to lubricate and encapsulate when wiping off abrasive residues (i.e, M105) and I use the IPA/PrepWash to clean off residual oils/fillers.



would you sayd use a 60/40 or 70/30 water/alcohol ?



Guess that would depend in part on the concentration of IPA you're starting with.



I've been using straight (70% IIRC) IPA, but I hear that can cause certain paints to swell (resulting in a different type of concealing).
 
^^ Curious to this last part and where you 'hear' things like it.. Its such a mild, yet effective solvent and its boiling temp so low that I see it as a safe step to help ensure nothing is being concealed. Are you getting at the 70% fills where the 91% doesn't???



I personally, through experimentation and post correction detail follow ups have seen that nothing is filled with just IPA that I have eliminated the need for another wash following corrections.
 
Accumulator said:
I've been using straight (70% IIRC) IPA, but I hear that can cause certain paints to swell...



Allow me to rephrase that:



I've been using straight (70% IIRC) IPA, but I hear that can *POSSIBLY* cause certain paints to swell...



Operative word being the omitted "possibly" and bad on me for omitting that and thereby expressing myself so carelessly.



Now that I've cleared that up:



Yeah, I literally *heard* it (no scare-quotes necessary ;) ) in a telephone conversation with a *very* highly regarded member here. It is *not* something that either he or I have ever experienced. It was presented as a possibility and I can't remember his source for this speculation (or if he even mentioned it).



And upon reflection, I think I will *NOT* mention who this member was as the general tenor of the posts inquiring about this suggest that I'd be dumping a [stuff]-storm in his lap. Maybe that inclusion of "possibly" will clear all this up, but I'm not gonna bet on it.



I for one *can* imagine IPA causing swelling of old-school (N-C) lacquer, other solvents do, but that type of paint's not too common these days. Other threads here have suggested that some solvents apparently *can* swell modern b/c paint and I simply dunno whether a) this is true or not or b) IPA is one of them or not.



Is it an issue I worry about? Not in the least. I was just passing along something that came up in conversation with a (IMO) credible source and that seemed relevant to the thread.
 
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