CCEWOOL ceramic blanket, exported to more than 30 countries worldwide.
UniTherm Ceramic Fiber Insulation Blanket R-Value: 2.27 (6# Density, 2300°F) (1 in. x 24 in. x 25 ft. ) CF6-1-24X25
Amazon.com: CM-Ceramics 48" X 24" X 1" 2400 F Ceramic Fiber Insulation 8# Pound Morgan Ceramics for Forges, Kilns, Stoves. Knife Included Made in The USA : Arts, Crafts & Sewing