Oxygen 3.5

High purity laser assist gas for the laser cutting of mild steel


Oxygen 3.5 can enable even higher cutting speeds and greater thicknesses at lower pressure and flow rate than industrial grade oxygen (2.5) when cutting carbon steel.


  • Used at the point in the cutting process where the laser interacts with the material being cut

Product Summary

Gas composition

  • Oxygen ≥ 99.95%


Moisture ≤ 15 ppm

Compressed gas sizes

UN number: 1072

Download safety data sheet


Size Product code Volume / m³ Weight (full) / kg Pressure / kpa Outlet connection Availability Cert of conformance
SG 205150 10.6 67.3 20,000 Type 10 Australia wide Download
12-pack 205512 156 1207 25,000 Type 10 Australia wide Download
Additional Details

Physical & chemical properties

Appearance Odour Flammability
AppearanceColourless gas OdourOdourless FlammabilityNon flammable

Hazard class

2.2, 5.1

Hazard symbol (GHS)

  • Non-flammable non-toxic gas 2.2
  • Oxidising agent 5.1
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