Emergency Heat Blanket / Space Blanket


In their principal usage, space blankets are included in many emergency, first aid, and survival kits because they are usually waterproof and windproof. That, along with their low weight and ability to pack into a small space, has made them popular among outdoor enthusiasts and emergency workers. Space blankets are often given to marathoners and other endurance athletes at the end of races, or while waiting before races if the weather is chilly. The material may be used in conjunction with conductive insulation material and may be formed into a bag for use as a bivaouck sack (survival bag).

In first aid, the blankets are used to prevent/counter hypothermia.  A threefold action facilitates this:

  • The airtight foil reduces convection.
  • Heat loss caused by evaporation of perspiration is reduced
  • To a limited extent the reflective surface inhibits losses caused by thermal radiation

In a hot environment they can be used to provide shade or provide protection against radiated heat, but using them to wrap a person would be counterproductive, because body heat would get trapped by the airtight foil. This effect would exceed any benefit gained from heat reflection to the outside.

Space blankets are used to reduce heat loss from a person's body, but as they are constructed of PET film, they can be used for other applications for which this material is useful, such as insulating containers—e.g. for DIY solar projects—and other applications.

Size: : 2100x1600x1mm/82.67*62.99*0.03''
Net weight: : 60g


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