... CFB Board, classification temperature 1000°C, 1260°C, 1400°C, 1600°C and 1700°C; and MB millboard, classification temperature 1500 ... impurity, and average bulk density and thicknessLow thermal conductivity Excellent mechanical strength and structural strengthLow thermal storage Low thermal conductivity Lightweight ... ; 4; 5mm ISOFILE Ceramic Fiber Board factory 1000, 1260, 1400, 1600 and 1700C