Best Answer: 1) As the person above said: carbon, hydrogen, and oxygen. 2) No. This is unless we consider formic acid as a fatty acid (CH2O2), but the definition of a fatty acid is a carboxylic acid with a LONG unbranched aliphatic tail that is either saturated or unsaturated.
When the tubing is cool, the warm and moist air may condense in the tubing. Not only will you not get the benefit of the moisture, but it can collect and drip into your face or gurgle with the air flow. It is often worse when the bedroom environment is cool or cold compared to the temperature of the pressurized air.
Fuel & Oil Resistant Tubing. Grayline fuel & oil resistant tubing is available in a variety of polymer materials and constructions. Grayline fuel & oil resistant tubing is commonly used in applications such as small engine fuel lines, coolant transfer lines, lubrication lines, portable gas caddies, lawn & garden equipment and recreational vehicles. In many applications, one of our current compounds will meet your requirements.