Purity / Grade Details for Cryogenic (Liquid) & Gaseous Products.
| Purity Percentages | Grade - Level | Percentages Impurity Level in % | Impurity Level in ppm |
|---|---|---|---|
| 99.0000% | 2.0 | 1.0% | 10,000 ppm |
| 99.5000% | 2.5 | 0.5% | 5,000 ppm |
| 99.9000% | 3.0 | 0.1% | 1,000 ppm |
| 99.9900% | 4.0 | 0.01% | 100 ppm |
| 99.9990% | 5.0 | 0.001% | 10 ppm |
| 99.9995% | 5.5 | 0.0005% | 5 ppm |
| 99.9999% | 6.0 | 0.0001% | 1 ppm |
