Industrial furnaces dedicated of refractory high quality aluminum silicate fiber acupuncture blanket industrial kilns dedicated of refractory high quality aluminum silicate fiber acupuncture blanket industrial kiln the special refractory high quality aluminum silicate fiber acupuncture blanket industrial kilns refractory high-quality aluminum silicate fiber needle thorn blanket industrial kilns dedicated of refractory high quality aluminum silicate fiber acupuncture blanket industrial kiln the special refractory high quality aluminum silicate fiber acupuncture blanket industrial furnace refractory high-quality aluminum silicate fiber industrial kilns special fire-resistant high-quality aluminum silicate fiber acupuncture blanket performance indicators: Classification temperature: 105012601400 heating permanent line change (%): at 950 ℃ × 24h ≤ -3 1000 ℃ × 24h ≤ -3 1100 ℃ × 24h ≤ -3 1200 ℃ × 24h ≤ -3 1350 ° C × 24h ≤ -3 theory thermal conductivity (W / mk) (128kg / m3) (average 200 ° C) 0.045-0.060 0.052-0.070 (average 400 ° C) 0.085-0.110 0.095-0.120 (average 600 ° C) 0.152-0.20 0.164- 0.210 theoretical bulk density (kg/m3) 64/96/128 128 96/128