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The Unitherm CF8-5-24x60 is a ceramic fiber insulation blanket rated to 2300°F, made from pure alumina-silica with no binder. It measures 0.5 in. thick by 24 in. wide by 60 in. long, about 10 sq ft, and is double-needle sewn for surface integrity on both sides. It suits kiln, forge, stove and furnace lining where low thermal conductivity and low heat storage matter. Compared with rigid firebrick, it is far lighter and easier to cut and wrap, but it is soft and needs mechanical support, and the fibers call for gloves and a mask.
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Lowest price we've seen: $39.99 on Nov 11 at Tractor Supply Co. Tracked across 1 store since Nov 11.
This is a ceramic fiber insulation blanket made from pure alumina-silica. It has no binder or added constituents. It has an 8 lb. density and is rated to 2300°F.
The blanket is mechanically sewn with a double needle, which gives both surfaces better integrity. It has low thermal conductivity and low thermal capacity. It is easy to cut and install.
It measures 0.5 in. thick x 24 in. wide x 60 in. long, which covers 10 sq ft.
