Aren't the "space blankets" use in survival packs pretty much the same stuff? The mylar-air space-mylar construction seems pretty rational, and they are windproof.
-John =============== > Hal Murray wrote: >> namic...@gmail.com said: >>> Find some closed cell polyethylene that is quite thin and some very >>> light >>> aluminium foil and you could make many layers. >> >> How about aluminized Mylar? >> >> If the many-reflective-layers idea really works, I'd expect somebody to >> sell >> foam built that way. Why don't they? >> > Maybe demand is small for such a product? > > They do make thin metal/fabric multi layer stuff (for things like > exhaust systems) where the fabric is something moderately refractory > (fiberglass? ceramic wool?) > > And, for spacecraft (a very small volume application) look up > "multilayer insulation" or MLI. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.