Following is a reference of most common products. Customers are advised to contact us for complete product list / specifications.
Bulk Gases & Liquids:
Fine Gas supplies industrial and medical gases in compressed and liquefied forms to meet diverse customer requirements. Product grade, purity, impurity limits and supply arrangements are specified according to the intended application.
The chart below is a reference draft. Numerical values are published commercial benchmarks and should be confirmed against Fine Gas’s approved specifications before placing orders
| Product | Chemical Formula | Form of Supply | Reference Purity / Specification | Principal Applications |
|---|---|---|---|---|
| Oxygen | O₂ | Compressed gas / Cryogenic liquid | ≥99.5% for a common industrial grade | Metal cutting, fabrication, combustion enhancement, chemicals and water treatment |
| Nitrogen | N₂ | Compressed gas / Cryogenic liquid | ≥99.998% for a common oxygen-free gas grade; ≥99.999% for a published liquid grade* | Inerting, purging, food packaging, freezing, pharmaceuticals and process applications |
| Argon | Ar | Compressed gas / Cryogenic liquid | ≥99.998% for a common commercial grade | Welding, shielding, metal processing and inert atmospheres |
| Dissolved Acetylene | C₂H₂ | Dissolved gas in approved cylinders / Cylinder bundles | Purity and impurity limits according to the agreed product grade | Oxy-acetylene cutting, welding, brazing and heating |
| Nitrous Oxide | N₂O | Liquefied gas in approved pressure containers | Grade-specific assay and impurity limits; medical specifications to be stated separately | Healthcare and other approved application-specific uses |
| Dry Compressed Air | Mixture | Compressed gas | Specified oxygen content, pressure dew point, oil and particle limits according to the application | Pneumatic systems, instrumentation and industrial processes |
Specification Notes
Medical and food applications require the appropriate approved grade and impurity controls; overall purity alone does not establish suitability.
Cylinder filling pressure and bulk storage operating pressure depend on the product, container and installation.
Final supply specifications should state applicable impurity limits, testing requirements and Certificate of Analysis arrangements.
Specialty Gases, Liquids & Mixtures:
Reference chart: These are examples of recognized commercial grades, not confirmed Fine Gas supply guarantees. Product availability, purity and individual impurity limits should be verified against the Fine Gas approved specification before placing orders.
Specialty Gases:
| Product | Formula | Example Commercial Specification | Form of Supply | Typical Applications |
|---|---|---|---|---|
| Helium | He | UHP grade: 99.999% | Compressed gas | Gas chromatography, leak detection and analytical instruments |
| Hydrogen | H₂ | UHP grade: 99.999% | Compressed gas | Chromatography, detector fuel and controlled process atmospheres |
| Nitrogen | N₂ | UHP grade: 99.999% | Compressed gas | Analytical instruments, purging and inert atmospheres |
| Argon | Ar | UHP grade: 99.999% | Compressed gas | ICP analysis, spectroscopy and research |
| Methane | CH₄ | Research grade: 99.999% | Compressed gas | Analytical research, detector testing and calibration mixture preparation |
| Synthetic Air / Zero Air | O₂ + N₂ | Specified oxygen balance with controlled moisture, hydrocarbons and other contaminants | Compressed gas mixture | Gas analyser zeroing, detector operation and emissions testing |
High-Purity Liquefied Products:
| Product | Formula | Example Commercial Specification | Form of Supply | Typical Applications |
|---|---|---|---|---|
| High-Purity Liquid Nitrogen | N₂ | UHP grade: 99.999% | Cryogenic liquid in insulated containers | Research cooling, cryogenic processing and high-purity gas supply through vaporisation |
| High-Purity Liquid Argon | Ar | UHP grade: 99.999% | Cryogenic liquid in insulated containers | Analytical gas supply and controlled industrial processes |
| High-Purity Nitrous Oxide | N₂O | Published UHP example: 99.99% liquid-phase a | Liquefied gas under pressure | Specialist analytical and process applications |
Specialty Gas Mixtures:
| Mixture Category | Typical Components | Specification Basis | Typical Applications |
|---|---|---|---|
| Calibration Mixtures | Selected components in Nitrogen, Air, Helium or Argon | Certified component concentrations, analytical uncertainty and validity period | Instrument calibration and laboratory analysis |
| Gas Detection Mixtures | Selected combustible or toxic gases in a suitable balance gas | Instrument-specific concentrations and certified stability | Gas detector calibration and functional testing |
| Process & Research Mixtures | Application-specific combinations | Agreed composition, preparation tolerance and impurity limits | Research and precision process control |
Note: The numerical grades above are published commercial examples, specifications vary with the analytical application.