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From liquid extinguisher to solid, always-ready state

AEGIS's core innovation is turning FK-5-1-12 — a proven, eco-friendly fire suppressant — into a microencapsulated solid that needs no cylinder, pipework or detector to work.

The Agent

FK-5-1-12 — Perfluoro(2-methyl-3-pentanone)

Heptafluoroisopropyl pentafluoroethyl ketone is widely used wherever water-based fire suppression would be impractical, or could damage the very equipment it's meant to protect.

💧

"Dry water"

Vaporises instantly on contact with heat, leaving zero cleanup after activation.

⚡

Electrical insulation

48kV breakdown voltage — equipment doesn't need to be de-energised before activation.

🌍

Eco-friendly

Zero ozone depleting potential, 0.014-year atmospheric lifetime, GWP under 1.

🛡️

Wide safety margin

4–6% working concentration against a 10% NOAEL threshold — roughly 2x safety buffer built in.

FK-5-1-12 chemical structure and 3D molecular model
The conventional limitation AEGIS solves Traditional FK-5-1-12 deployment requires pressurized cylinders, engineered pipework, nozzles and dedicated detectors — complex, costly infrastructure that limits where protection can be deployed at all.
The Innovation

Microencapsulation of FK-5-1-12

A non-porous, temperature-sensitive, weatherproof and air-tight polymer shell holds the fire suppressing agent in a static, ready state — indefinitely, until heat says otherwise.

Illustration of AEGIS microcapsules containing FK-5-1-12 suppressant inside a polymer shell
01

Heat absorbed by the shell

Fire heat is absorbed by the capsule's polymer shell, compromising its structural integrity until it can no longer contain the pressurised FK-5-1-12 inside.

02

Agent heats and expands

FK-5-1-12 inside the capsule heats up and readies to vaporise. Rising internal pressure pushes outward — the shell swells and stretches until it triggers rupture.

03

Shell bursts, agent floods the zone

The shell bursts and FK-5-1-12 floods the fire zone. No power, wiring or trigger needed — fire alone drives the entire sequence.

Extinguishing Principles

Two mechanisms, one fire triangle destroyed

🌡️

Extinguishing by cooling — heat removed

Burst capsules release FK-5-1-12 as mist and gas directly into the fire zone. The released agent absorbs heat from the fire, cooling it below the temperature needed to sustain combustion. Deprived of heat, the fire extinguishes.

O₂

Extinguishing by smothering — oxygen removed

Alongside cooling, the released FK-5-1-12 gas displaces oxygen within the enclosed space. Fire requires a minimum 15% oxygen concentration to sustain combustion — deprived of sufficient oxygen, the fire naturally extinguishes.

The Risk Model

Why one active layer reduces catastrophic risk by 5000x

Catastrophic outcomes require the simultaneous failure of both active suppression and staff emergency procedures — a statistically near-impossible combination once AEGIS is deployed.

Fire occurs

Baseline frequency: once every 10 years per high-stakes site (1.142E-05/hr).

Active suppression

Assumed to work 98% of the time (conservative). Failure rate: 0.02.

Staff follow SOP

Assumed to work 99% of the time. Failure rate: 0.01.

Catastrophic outcome

Requires both failures at once: probability 2.28E-09/hr — once every 50,068 years.

The analysis holds one conclusion:

AEGIS does not merely reduce fire severity — it effectively eliminates catastrophic risk from the planning horizon entirely.

See It Applied to Real Cases