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pure_mahem
2007-09-08, 13:36
While surfing ebay satisfying my ebay addiction I came across a some new material that might be an ultralights dream for a pot cozy or insulated freezer bag. :stupido2:

http://cgi.ebay.com/1-yard-SOLAR-reflective-shade-material-Attic-greenhouse_W0QQitemZ280149718226QQihZ018QQcategory Z3240QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

guess I'm gonna have to order some of this stuff and check it out. Has anyone else seen this stuff to know if it's worth my precious ebay dollars?

CoyoteWhips
2007-09-08, 20:47
Man, I'd love a jump suit made out of that. :laugh:

Redleg
2007-09-09, 10:01
I use the stuff at my dayjob. Brand name is astrofoil. It's also used to make sunscreens for your car. The company makes it's alluminium coated bubbble wrap in other bubble(thus wavelength) sizes. It is used to stop radiant thermal transfer, conductive thermal transfer depends on the size of the cells.

What I want is aerogell.
jaf

dropkick
2007-09-09, 22:47
What's aerogel?
Sounds like something I'd put in my hairdo to make it more aerodynamic.

Turk
2007-09-10, 20:02
if any of you blokes gets your hands on a large quantity of aerogel... I will
be raiding your house in the night.


um.... just fair warning. :biggrin:

Redleg
2007-09-10, 21:15
What's aerogel?
Sounds like something I'd put in my hairdo to make it more aerodynamic.

http://en.wikipedia.org/wiki/Silica_aerogel

Video:
http://www.youtube.com/watch?v=5PfelqRpOQk&mode=related&search=

Manufacturar:
http://www.aerogel.com/

1 backpad
2 insoles
3 blanket
Total weight= 63 GRAMS!

Ultralight fanatic: anyone that has a pack lighter than yours.
jaf

pure_mahem
2007-09-10, 21:21
I saw some aerogel for sale on ebay. Expensive stuff but it's all in little pieces, I don't see a real use for it in that state. Also looks like it's popular in tennis rackets. What's involved in processing this stuff for a practical use?