Iso 14520-5 Pdf Jun 2026

| | ISO Standard | Key Difference | | :--- | :--- | :--- | | HFC-227ea | ISO 14520-5 | 10-second discharge, HF decomposition | | FK-5-1-12 | ISO 14520-12 | Lower toxicity, longer holding time | | IG-541 | ISO 14520-8 | Oxygen reduction, requires pressure relief vents | | CO₂ | ISO 14520-3 | Not for occupied spaces (fatal above 10%) | | Halon 1301 | ISO 14520-1 (withdrawn) | Ozone-depleting, banned in most countries |

is a part-specific standard. The ISO 14520 framework splits each gas into its own document (e.g., Part 5 is FK-5-1-12, Part 9 is HFC 227ea, Part 13 is IG-541). This allows for highly localized data per agent. It is universally preferred in Europe, Asia-Pacific, and parts of the Middle East. iso 14520-5 pdf