Any risk of the juice combusting on the atomizer?

[Lin]

I am now trying direct dripping, using a janty eGo, and am generally satisfied. I drop 2-3 drops onto the atomizer whenever the vapor begins to lose flavour, basically.

What I am wondering, though I believe the answer should probably be "no", is if there is any risk that the e-juice (glycol, nicotine or flavouring) might combust, rather than vaporize, when the atomizer heats up. Is this a possibility given the atomizer temperature? If so, are there any carcinogenic compounds that could be produced? Do you know if anyone have analyzed the vapor content, or do you have chemical insights on what is and isn't possible when e-juice meets the atomizer?

Yours sincerely,

Lin

 

[Drozd]

in 99.9% of cases no...the atty simply does not get hot enough...


that .1% though... a very hot atty on a high voltage device could theoretically get hot enough that when VG (and VG only not PG) could start to break down to acrolene which isn't good... that temperature point is 280 Farenheit...

even the hottest running atomizer (the 510) on a stock battery only hits about 180 farenheit..

but I've managed to get a LR 510 atty on a 3.7V mod to 275 farenheit after holding the button down for 20 seconds continuous...

 

[Lin]

Interesting. One reason to stick to PG then, if only in theory.

Thanks!

 

[zoiDman]

...

even the hottest running atomizer (the 510) on a stock battery only hits about 180 farenheit..

but I've managed to get a LR 510 atty on a 3.7V mod to 275 farenheit after holding the button down for 20 seconds continuous...

I'm confused???

If the atomizer wire only get to 180F, how can it vaperize VG when VG has a boiling point of 554F?

Glycerol - Wikipedia, the free encyclopedia

 

[Drozd]

I'm confused???

If the atomizer wire only get to 180F, how can it vaperize VG when VG has a boiling point of 554F?

Glycerol - Wikipedia, the free encyclopedia

because we're not boiling it...

I don't use VG because of the fact that it "could" be heated enough to produce acrolene...

however because of another thread I did take a temperature probe connected to my DMM and put it right on the coil of a 510 atty on a stock battery and at 10 seconds it was at 180 farenheit..

repeated the same thing with a LR atty on a 3.7V mod with no cut off and got it to 275 farenheit at 20 sec...

the FDA report that we all hate so much also gives us the working temperatures of the PVs they tested as a 40 to 65 C operating range which would be consistent with that 180 farenheit number
http://www.fda.gov/downloads/Drugs/ScienceResearch/UCM173250.pdf

(last paragraph of page 2)

 

[zoiDman]

So if I understand this correctly.

A person could take some VG in a pan, put it on the stove, heat it to around 175F, and there would be vapor coming off the top of the VG in the pan?

 

[Drozd]

So if I understand this correctly.

A person could take some VG in a pan, put it on the stove, heat it to around 175F, and there would be vapor coming off the top of the VG in the pan?

first off... I'm not going to discuss VG specifically...I don't like it, I don't use it, and I consider it way sketchier than PG..

secondly for some reason you're set on boiling point but you also have to take into consideration flash point too which is way lower than the boiling point... and the point at which the liquids could be ignited...

Thirdly yes...think of water in a pan on the stove...you get steam and vapor coming off it way before it boils...

 

[Drozd]

I have to edit myself though on this I mistakenly used 280 farenheit as the # for acrolein production that should be celcius...

flash point... 99C for PG..... 160C for VG
PG boils at 188 degrees Celcius and does not break down chemically before it boils

VG breaks down into HIGHLY toxic Acrolein at 280 dgrees Celcius, 10 Degrees LOWER than its boiling point of 290 dgrees Celcius.

operating range of a stock PV 40 -65C

in theory there should be no way to hit those #s....but that range is on a stock PV..when we get into mods an low resistance atties or HV who knows...

I do know that my measurement of a 510 on a stock 510 battery was in line with those #s at 180 F (82 C) which seems to be in line with that being that a 510 produces more heat (Wattage) than their tested SE or Njoy cartomizer models..

 

[zoiDman]

OK...

So if I understand this correctly.

A person could take some PG in a pan, put it on the stove, heat it to around 175F, and there would be vapor coming off the top of the PG in the pan?

 

[speedemon]

Do use caution though,I have done burns with no drip tip or cart on atty,this did shoot hot juice out!