Because HFC 227ea decomposes at high temperatures (above 400°C) into hydrogen fluoride (HF) and carbonyl fluoride (COF2), the standard mandates:
). It is heavily favored in modern fire engineering because it acts as a "clean agent," leaving absolutely no conductive or corrosive residue upon discharge. iso 14520-5 pdf
Understanding ISO 14520-5: The Standard for FK-5-1-12 Fire Suppression ISO 14520-5 Because HFC 227ea decomposes at high temperatures (above