Endothermic Phase Change
Cools for 1.11
Hours in Extremes
Prevents Heat
Stress
Fewer Shift
Rotations Needed
Coolers can Store
Refill Packets
Eliminates Need for Rehab
Increases Oxygen
Efficiency
Increases Manpower Efficiency
DECREASES HEART
ATTACKS
Solution Cost
Paraffin Wax: 1.60 - 1.90 $ / Kg Storage Packets: 10 – 20 $ /packet Nomex Blend Base Layer: 10 -20 $ /shirt Coolers: 10 – 20 $ /coolerTotal Max ≈ 62 $
Negligible compared to Bunker Gear ≈ 3000-5000 $
Linear 19-
Carbon Base for Technical Grade Paraffin
PCM Prevents Firefighter
Heart Attacks
Thermally Protective Gear Causes Heat Stress and Heart
Attacks, the Primary Cause of Firefighter
DeathsSolution - Phase Change Material:
19-Carbon Technical Grade Organic Paraffin Wax
Latent Heat of Fusion: 222 KJ/Kg
Melting Point: 32°C 3 Kg Absorbs 666 KJ
Firefighter metabolic rate in
extremes ≈ 600 KJ/h
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