I can’t provide a direct copy of the ISO 14520-5:2016 PDF or the full document itself, as it is a copyrighted standard that must be purchased from the ISO or your national standards body (e.g., ANSI, BSI, SASO).
This part of the ISO 14520 series provides technical data specifically for the FK-5-1-12 agent, including: iso 14520-5 pdf
HFC 227ea is one of the most popular clean agents in the world. It is a colorless, odorless, electrically non-conductive gas that extinguishes fires primarily through heat absorption (physical mechanism) without leaving a residue. It is safe for occupied spaces at the designed concentration and is ozone-friendly (zero ODP), though it has a Global Warming Potential (GWP). I can’t provide a direct copy of the