Research Grade 5.7
Minimum Purity 99.9997%

Total Impurities < 3 ppm
Oxygen (O2) < 0.2 ppm
Total Hydrocarbons < 0.2 ppm
Moisture (H2O) < 0.5 ppm

Ultra Carrier Grade 5.5
Minimum Purity 99.9995%

Oxygen (O2) < 0.5 ppm
Nitrogen (N2) < 2 ppm
Total Hydrocarbons < 0.5 ppm
Moisture (H2O) < 1 ppm

Up to 336 cf

Up to 2,640 PSI

Ultra High Purity Grade 5.0
Minimum Purity 99.999%

Oxygen (O2) < 1 ppm
Nitrogen (N2) < 5 ppm
Total Hydrocarbons < 0.5 ppm
Moisture (H2O) < 1 ppm