do coils rust?
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Yes, Kanthal A-1 type alloys contain Iron.
Ni-chrome alloys do not but some people say that they give a metallic taste to the vape.
Ni-chrome alloys do not but some people say that they give a metallic taste to the vape.
oh man I didn't know that. So the only way to avoid rusty coils is to use ni-chrome or quit vaping?
edit: how often do you guys change your coil?
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According to this Kanthal is highly resistant to rusting, even in extreme environments. Regular Ni-chrome however is more likely to rust. http://temcocontent.com/resistance_wire_faq.html
Do you rinse your coils? I can't imagine the coils rusting without the presence of water(or excess condensate perhaps). I've never had a coil rust, regardless of running the same coil for up to 2 months.
Try Titanium wire? Not sure where to get that stuff though. There's also stainless steel wire.
I've never seen a coil rust either, though I've wondered about this.
Usually, when I dry burn, I rinse off then use an old toothbrush to gently brush the carbon residue off the coils. Then dry burn again to evaporate the water. My coils will look kind of a dull shiny grey after this.
Usually, when I dry burn, I rinse off then use an old toothbrush to gently brush the carbon residue off the coils. Then dry burn again to evaporate the water. My coils will look kind of a dull shiny grey after this.
I get a brown residue from rayon it seems. just dry burn, rinse, wipe with a old toothbrush, rinse and dry burn again. gtg!
I don't believe this is accurate.
Kanthal: Ni, Cr, Al (aluminum) EDIT: Sorry, Fe, Cr, Al !!! (Thanx for the correction Ronald!)
Nichrome60: Ni, Cr, Fe (iron)
Nichrome80: Ni, Cr
ETA: I did have coils rust when I cleaned the heads they were on in an ultrasonic cleaner. (Was lazy!) Left a rust residue on the posts (which wiped off, with a little effort)
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I think what you are seeing is just an old coil. With repeated dry burns, the aluminum can be cooked off, leaving the remaining metals a bit of a rusty color. Let me see if I can find the post.
Here you go...
EDIT: here's the entire thread: http://www.e-cigarette-forum.com/forum/coil-builds/580248-old-coils.html
EDIT: here's the entire thread: http://www.e-cigarette-forum.com/forum/coil-builds/580248-old-coils.html
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Yes I believe they do rust, or corrode; leaving them sitting to long in water does seem to degrade them in my experience so far.
Uh oh, sometimes I get lazy with my Kayfun and keep using my old stained looking coil. Lol. But I always assumed it was residue leftover from dry burning gunk off. I never get the dark staining look until I start to get a lot of gunk on the coil, it seemed to me like some got stuck and rubbed on when I rinsed it or scrubbed. But if I have a coil that doesn't get gunked up, I can have it looking pristine for weeks if my juice isn't gunking up the coil bad. So I never thought it might be rust or anything.
I've definitely had rusty coils in the past. Particularly noticed it after using a juice that was thinned with saline.
Titanium wire for coils generates a ton of titanium oxide, that flakes off the coil... Pretty inert biologically, but likely to make one choke pretty hard! http://www.e-cigarette-forum.com/forum/blogs/rossum/6524-titanium-wire-coils.html
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I've definitely experienced rusty coils, made a thread about it awhile back, odd that only some people seem to have this issue! After looking up the dangers of rust inhalation my worries went away. Seems to happen quicker/more frequently with twisted wire compared to normal wire.
Care to elaborate on the dangers of rust inhalation? This is a good thread
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