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Techniche Phase Change Nomex Fire Resistant Cooling Vests provides cooling comfort and heat stress protection in high-temperature environments.Nomex Fire Resistant Cooling Vests has V-neck design with zipper closure, hook and loop girth and shoulder adjustments. Nomex Fire Resistant Cooling Vests are commonly used in extreme heat under work gear, costumes, and other apparel. Fire Resistant Vests are non-toxic, and non-flammable.
Item# 6626N
CoolPax is made of Phase Change Material (PCM) cooling technology. It uses a non-toxic carbon-based liquid that freezes at 58F/14°C and remains at that temperature for 2-3 hours. Simply place CoolPax inserts in freezer or ice water for 35/40 minutes and insert into garment pockets. Science Behind CoolPax A Phase Change Material (PCM) is a substance with a high heat of fusion which, melts and solidifies at a certain temperature, and is capable of storing and releasing large amounts of energy. Heat is absorbed or released when the material changes from solid to liquid and vice versa; thus, PCMs are classified as Latent Heat Storage (LHS) units.
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