How does the glycerin in fog fluid help produce fog?

Subject: How does the glycerin in fog fluid help produce fog?

Date: Sun Jul 16 10:35:17 2000
Posted by Tyler
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Chemistry
ID: 963758117.Ch

Message:


Fog machines like this one: 
http://www.radioshack.com/ProductCatalog/ProductDetail/Index/1,2098,CTLG_1_
4203058,00.html

use fluid that contains water and glycerin (no dry ice). What is 
glycerin and how does it help produce fog? 

I've read that you can buy glycerin in restaurant supply companies or drug 
stores. What is its other uses?

Re: How does the glycerin in fog fluid help produce fog?

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