Helium Mixtures

Shipping Data For the mixtures listed below the shipping classifications are dependent on the concentration. Cylinder Specifications Cylinder Size Valve Outlet CGA No. Pressure psig @ 70F Pressure kPa @ 21.1C Approximate Ship Weights lb kg 1A 580 2,000 13,800 139 63 2 580 2,000 13,800 81 37 3 580 2,000 13,800 41 19 Gas Mixture Concentrations Minor Component Balance Gas Lower Concentration Upper Concentration Matheson Mixture Grades Cylinder Size CGA* Contents M R S P R I M A R Y P L U S P R I M A R Y C E R T I F I E D P L U S C E R T I F I E D U N A N A L Y Z E D G R A V I M E T R I C US Metric Helium Argon 10 ppm 49%   X X X X X   1A 580 223 ft3 6.31 m3 10 ppm 49%   X X X X X   2 580 85 ft3 2.41 m3 10 ppm 49%   X X X X X   3 580 35 ft3 0.99 m3 Helium Nitrogen 10 ppm 49%   X X X X X   1A 580 200 ft3 3.40 m3 10 ppm 49%   X X X X X   2 580 77 ft3 5.66 m3 10 ppm 49%   X X X X X   3 580 32 ft3 0.91 m3 Equipment Recommendations Model No.   Single-Stage Reg. Low Dead Volume Reg. (for conc. < 50 ppm) Series 3530-CGA* Series 3590-CGA*

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This page was last updated October 30, 2009