Roger Millin wrote: > Ron wrote: >> Unlikely, since air is 78% nitrogen anyway and is a smaller >> molecule. It will probably reduce "aging" - there's all sorts of >> things in rubber, and with the gas at a high pressure, it's likely >> that the oxygen will very slowly react with some of the components >> of the rubber - probably making it less flexible and more likely to >> crack with age. > > Try http://www.merityre.co.uk/nitrogen_tyres.htm > and http://www.engineeringtalk.com/news/pmm/pmm117.html > and http://www.honestjohn.co.uk/forum/post/index.htm? > t=15183&m=154129&v=e
Seems you are correct... http://www.getnitrogen.org/pdf/graham.pdf But I'll wager a fair proportion of oxygen doesn't just get through, but reacts with the rubber.... Ron Jones Process Safety & Development Specialist Don't repeat history, unreported chemical lab/plant near misses at http://www.crhf.org.uk Only two things are certain: The universe and human stupidity; and I'm not certain about the universe. ~ Albert Einstein
