CarbonX B6 aluminized carbon fiber fabric alone and with DJ-77 FR knit (long underwear) fabric underneath is put to the test with 2600 degree blister copper. Also shown is CarbonX TWT-75 alumnized fabric alone and with DJ-77 knit underneath; and a double layer of NSM 18-19 flame and heat proof hood fabric -- all put to the test with 2600 degree blister copper