Name |
Grades |
Air |
Zero, Synthetic, Synthetic HC free, Research Grade |
Argon (Ar) |
Zero, 5.0 (99.999%), 5.5 (99.9995%), 5.8 (99.9995%), Research Grade. |
Helium (He) |
4.5 (99.995%), 4.7 (99.997%), 5.0 (99.999%), 5.5 (99.9995%), 6.0 (99.9999%), Research Grade. |
Hydrogen (H2) |
Zero, 4.0 (99.99%), 5.0 (99.999%), 5.5 (99.9995%), 6.0 (99.9999%), Research Grade. |
Nitrogen (N2) |
Zero, 4.0 (99.99%), 5.0 (99.999%), 5.5 (99.9995%), 6.0 (99.9999%) |