What is PG and VG?

[elited]

Hey Everyone, New to the forums - i was just wondering what exactly PG and VG are and what they stand for?
I found what PG is but i dont understand how the percentages relate to the content of the bottles i'm buying and how they affect my flavors. Same goes for VG, although i have NO CLUE what VG stands for.

1) What are they
2) What are they used for
3) Why would i want to get different levels of PG/VG
4) Is it better to order my own levels online rather than go into a store and get the store's levels??

Thank everyone, Feel free to answer one or all of the questions, all feedback is greatly appreciated!!! Have a great day!

 

[Vapoor eyes er]

Hi and welcome to ECF.
juice Components and their affect in regards to the vaping experience
Flavoring usually about 15%- could be higher or lower depending on the flavor used.
PG (Propylene Glycol USP/ Food Grade) enhances flavor, TH and lung hit- water like - many of us believe PG to be a throat irritant.
VG (Vegetable Glycerin- USP/ Food Grade)= vapor and can mute flavor- thick
Nicotine- TH, lung hit and our need for nicotine. The MOST important ingredient in regards to TH and lung hit.
Standards in the industry are 80/ 20 or 70/ 30 PG/ VG.

Pg is used to sterilize hospital venting systems and also in some lung operations- found in many food products, also used in fogging machines.
VG is found in many founds also.

PG and VG are humectants...
A humectant is a substance used primarily in foods and cosmetic products to help retain moisture. These substances are called hygroscopic, which means that they are able to absorb ambient water. These hygroscopic compounds posses a chemical structure that attracts water from the atmosphere and binds it to various sites along the molecule.

When we inhale PG/ VG it "traps" the moisture in our mouth, throat and nasal area and thus the vapor. The real problem arises when the body is dehydrated and begins "stealing" moisture from other parts of the body to keep key organs hydrated. Add to that more than 3 cups of java or caffeine based soda drinks and severe dehydration can occur.

 

[Boiler]

1) Propolyn Glycol and Vegatable Glycerin.

2) They are the medium that holds the nicotine and flavorings and turns to vapor when heated.

3) Pg is more flavorful, Vg is more vaporous. It is finding the balance that suits your taste and equipment.

4) Try a variety of blends to see which you prefer.

 

[elited]

Wow that exactly what i was looking for - THANK YOU! That also explains why, and dont ask me why i was testing this, but if i inhale a large amount of vapor, hold my breath, then inhale a large amount of air without exhale the previously inhaled vapor, significantly less vapor is expelled from my lungs on my final exhale. So these products are absolutely safe to exhale in public then? From what i understand there's really only PG/VG, Flavoring and (if you get nicotine) a % of nicotine?

 

[Vapoor eyes er]

So these products are absolutely safe to exhale in public then?

Here are a couple of reports:
http://clearstream.flavourart.it/site/wp-content/uploads/2012/09/CSA_ItaEng.pdf
Vapor Test Results by Korea Electronic Cigarette Association

 

[Baditude]

So these products are absolutely safe to exhale in public then? From what i understand there's really only PG/VG, Flavoring and (if you get nicotine) a % of nicotine?

There has not be a lot of scientific research done yet, but this is the current belief. Because of the hygroscopic properties of Pg and Vg, there is some water in the vapor that is expelled. So yes, the popular misconception that it is not water vapor is not totally true either.

There was a small study done to test the second hand vapor in the air for the amount of nicotine present, and the amount was completely insignificant.

 

[elited]

Oooh i love scientific research!!! i'm seriously going to print, read and highlight lol

 

[Boiler]

Oooh i love scientific research!!! i'm seriously going to print, read and highlight lol

Here's a study on vaping monkeys:
TESTS FOR THE CHRONIC TOXICITY OF PROPYLEXE GLYCOL AND TRIETHYLENE GLYCOL ON MONKEYS AND RATS BY VAPOR INHALATION AND ORAL ADMINISTRATION

 

[Cool_Breeze]

Here's a link to an explanation of their roles in electronic cigarettes.
http://www.e-cigarette-forum.com/forum/general-e-liquid-discussion/237271-vg-pg-explained.html

 

[the misa]

nice info.thanks everyone..

 

[elited]

Wow - i've favorited all of these and have already begun reading these... Thank you everyone! When people ask me about my VP and start trying to tell me what "they" know i'm going to start massing linking them these xD. Thanks again!