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say dry silicaWhat do they use in black boxes as insulating material?

Please do not say dry silica / aluminium / tungsten / S_steel. Im looking to insulate electronics from harsh temperature environments and it is crucial to find a light weight, insulating material.

lemonie5 years ago
Aerogel is probably the best material fulfilling all your requirements. You can buy it, but maybe not so easily
http://www.unitednuclear.com/aerogel.htm

L
NachoMahma5 years ago
. Define "harsh".
Bigev5 years ago
Try fiberglass...? It's good enough for my house...