Tag Archives: space blankets

Space Blankets, are They Good or Bad?

Space blankets also known as Mylar blankets, first aid blankets, emergency blankets, or thermal space blanketsblankets are a low-weight, small blanket made of metallic heat-reflective thin plastic sheeting.  This was first developed by NASA in 1964 for us in the space program. Their design reduces the heat loss in a person’s body which would otherwise occur due to thermal radiation, water evaporation, or convection.

These blankets have been widely distributed in first aid and survival kits and can be purchased rather inexpensively.  I have seen them on sale for $1.99 for a small blanket to $30 for a bivy sack that will hold a large man.…

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