Interesting juxtaposition

A Chinese manufacturer of polyimide film seeking to market its product lists on its website the many aviation uses for this material. The list includes this interesting juxtaposition:

Polyimide film adhesive tape for electrical insulation.
Polyimide film special for emergency escape smoke hood.
Think about it - polyimide film on electrical wiring is known for its explosive property under arcing conditions. The charred insulation acts as a conductor, spreading the damage. So, on the one hand, polyimide insulation can lead to an emergency, in which occupants can don polyimide smoke hoods to protect against the noxious gasses of combustion, facilitating their escape. See http://www.china-polyimide.com/asp/pro_polyimide.asp

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