On Sun, 25 Aug 2013 08:06:35 -0400, "dadiOH"
wrote:

"micky" wrote in message

On Sat, 24 Aug 2013 19:27:36 -0700 (PDT),
" wrote:

This is strictly a metal foil tape, no adhesive on
either side. The idea of it being from some sort of
recorder where a more permanent record is needed such
as a black box from an airplane seems to be the most
plausible solution so far.

That does make sense. Fire would melt plastic tape.

It will melt aluminum tape too.

We're talking about inside a black box.

The melting point of aluminum is 1220 °F and I've read that aluminum
foil does not melt in air before it bursts into flames. But are
black boxes filled with air or something else?

Even with air, you can put aluminum foil in the oven and set the overn
for 450 and the foil won't melt. What's the melting temp of plastic
recording tape? A lot lower.