Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

gone-ot · 10-12-2012, 11:33 PM

FWIW, Argon is heavier than air while Helium is lighter than air, so argon will tend to "stay" around the weld spot whereas Helium will "float" upwards and away from the weld spot.

10-12-2012, 11:33 PM	#16 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	FWIW, Argon is heavier than air while Helium is lighter than air, so argon will tend to "stay" around the weld spot whereas Helium will "float" upwards and away from the weld spot.