perfluorohexanone residue free

perfluorohexanone fire extinguishing system bulk procurement — Wanlin, 12-year Chinese perfluorohexanone (FK-5-1-12) fire extinguishing manufacturer, WL-PF300 (Suspended Perfluorohexanone Fire Extinguishing Device) NFPA 2001/ISO 14520/EN 15004 certified. Ceiling-Suspended Design + FK-5-1-12 Agent + Temperature-Sensing Glass Bulb (57°C/68°C) + Automatic . ···