> Yes. Nitrogen is marketed in dry form, making it convenient to buy.
However, what the tire places use is not packaged dry nitrogen, but whatever
their "nitrogen generator" puts out. I couldn't find a spec for how much
water these things remove; but I see on Ingersoll-Rand's website that the
output is only 95% pure nitrogen.
http://air.ingersollrand.com/IS/modelComp.aspx/item/21147
If it only removes 75% of the oxygen impurities in the input, perhaps it
only removes 75% of the water as well?
Also from IR's site:
"Now, Ingersoll Rand offers you a choice. You can use nitrogen, not ambient
air, to fill tires with the new Nitrogen Tire Inflation System."
"Creating a new source of revenue for your business."
Randall
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