It is a water‑based active fire‑protection coating mixed with perfluorohexanone thermo‑sensitive micro‑capsules. It can be applied by brushing or spraying with easy construction, no need to modify original equipment structure. It fits irregular surfaces for full seamless coverage. Thermally self‑triggered, clean and residue‑free, insulating and anti‑corrosive. Suitable for cabinet inner walls, equipment compartments, walls and cable trays.