Getting a headache here fellas, I have just finished a COSS course and my head is full, this new information is pushing some very important knowledge outa my head. Limited room in here peeps!
Hey by the end of this you'll all have a pass in Chemistry.
LPG is a natural mixture of the C3 to C4 petroleum hydrocarbons, linear chains, branched chains, and all. Plus a little bit of C2 and C5.
The refinery distills the fraction from the crude oil or from the gas field. So you get a bit of everything that boils between -40