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How Phase Change Material Technology Works

Imagine a personal cooling system that maintains a comfortable 65º F temperature. That's the technology behind the phase change material that was developed for our Cooling Vests' Cool Packs.

Until now, the only answer to heat stress was to wear an ice- or gel-cooled vest. That meant having a freezing cold pack against your body--too cold to be comfortable. To alleviate the discomfort, undergarments were needed as a barrier, defeating the very purpose of the vest.

With phase change material technology, you'll stay cool and comfortable at a temperature that feels natural to your skin and body. So comfortable, in fact, that our products can be worn directly against your skin for optimal cooling -- without the fear of frostbite!

  • Washable, nonshrink outer shell made from Supplex®, fire-retardant Banox®or Poly Cotton Twill is the first layer of shielding from ambient heat.

 

  • Insulating layer minimizes the absorption of ambient heat by the phase change material cooling packs.

    • Using phase change material technology, the Cool Packs literally pull heat from the body, while maintaining a comfortable temperature of 65ºF. The packs expand to resist bursting, absorb shock, and maintain mobility.

    • The cooling vests are designed to hold the Cool Packs securely in place, while absorbing moisture away from the wearer. This allows maximum heat transfer between the phase change cooling packs and the body.

    The semisolid thermal energy storage material (phase change material) in the high-quality, leak-proof Cool Packs are designed to chill to 65º F. Once the material phases solid, it can be placed directly against your skin and used to cool the body. The material actually absorbs heat generated by the body.

    As the phase change cooling pack absorbs heat, it will begin to phase change from a solid to a liquid. Because of the constant temperature behavior of phase change material technology, the Cool Packs maintain 65ºF during the transition. The process can take hours and varies with ambient temperatures, workload, and individual physiology.

    The phase change Cooling Packs can be quickly recharged; simply place them in ice water for 20 minutes, or in a conventional refrigerator for around 60 minutes. The Cool Packs also may be placed in a conventional freezer to be recharged without the fear of any damage to the packs!

    Our Technical Specifications and Vest Descriptions.

    Texascoolvest    Standard

    Texascoolvest     Light

    Texascoolvest    Heavy Duty

      

     Part Number Series "STD-

     

    Part Number  Series  CVL-

    Part Number  Series CVHD-

    Fully Adjustable, with Standard cool packs. Available in most colors made with Supplex, Cotton Twill, and Banox fabrics. Designed for individual's our side adjustment straps are made to retain their custom fit . Our Industrial model with the 4" waist band is designed to heavy use in PolyCotton twill. These are for quick size adjustments by multi users in Plants fishing boats Our most versatile model. Fits everyone from children through adults. Fully adjustable our with smaller packs (below ) at only 3.8 pounds. May be worn under other ballistics vest or outer garments,. Used mostly by Law Enforcement in Black.  The White Supplex is used by surgeons and is great under a suit coat with a tie at outdoor events like the Paris Air Show. Put on you coat and pull the tie over the vest and no one knows.

    Rated for 125 deg for 2 hours . As seen below these packs are much larger for more cooling effect.  Fully Adjustable. Available in blue Banox fabric. Our adjustment straps allows custom fit to each individual in this one size fits most model.  Standard will fit up to 47 inches around. Used in very hot environments like steel mills, foundries, ship yards, autoclaves,large process ovens and by  welders.

    5" x 12":  Standard duty cool packs with 1600g of PCM material in a plastic covering,  total vest weigh is only 4.8 lbs. Pack on the left is charged at 65 Deg F.  The right is discharged.

    Clear at 70F, White at 64.8 deg F (charged)

    5" x 12":  Light duty cool packs  (Right) with 1340g of PCM material in a plastic covering with a total vest weigh of only 3.8 lbs. These packs have three segments for a better fit under other garments.

    Clear at 70F , White at 64.8 deg F (charged)

    6" X 14":  Heavy duty cool packs with 3400g of PCM material in a plastic covering, total vest weigh is only 8.7lbs. These will also fit in any Standard or Heavy Duty vest..

    Clear at 70, White at 64.8 deg F (charged)

    Texascoolvest    Standard

    Texascoolvest    Light

    Texascoolvest    Heavy Duty

     

     
       
         

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