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Basalt 'Firbreglass' Cloth

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Just reading this, sounds pretty cool.  




The base material is basalt, nothing added or bonded. Basalt is melted at about 1,500° and the liquid is blown through tiny holes to make strands of filament which are then woven into cloth. You've essentially got a rock in fabric form.


The strength test in this youtube link is pretty impressive.





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I use it for heat insulation wrap over ceramic blanket in places where temperatures are above what FG can handle. It is not quite as itchy on the skin if you take care handling it.

The article does state a couple of points, that while correct, leaves the reader thinking the figures are worse than they actually are.

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