Ceramic Fiber Blanket

Ceramic fiber blanket is high strength, needled insulating blanket that is made from ceramic fiber bulk. The combination of long spun fibers and needling operation produce tough, resilient and strong blankets, which resist tearing both before and after heating.

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Parameter

CERAMIC FIBER BLANKET / RCF Blanket

Ceramic fiber blanket is completely inorganic and available in a variety of temperature grades, densities, and sizes. Ceramic fiber blanket can be folded, compressed and encapsulated to produce module.

Features

Excellent thermal shock resistance

Excellent thermal stability

High tensile strength

Low thermal conductivity

Low heat storage

Typical Applications

Pipe wrap

Furnace and kiln back-up insulation

Chimney insulation

Annealing furnace linings

Process heater linings

Parameter2

Description	STD BLANKET			HP BLANKET		HA BLANKET		HZ BLANKET
Classification Temperature (℃ )	1260			1260		1350		1430
Chemical Composition (%)
Al₂O₃	≥43			≥44		≥52		≥35
SiO₂	≥54			≥55		≥47		≥49
ZrO₂	-			-		-		≥15
Color	White			White		White		White
Shot Content (%)	≤15			≤15		≤15		≤12
Density (kg/m³)	64	96	128	96	128	96	128	96	128
Tensile Strength (kPa)	30	50	70	50	70	50	70	50	70
Permanent Linear Shrinkage (%)	1000℃ x 24h ≤2.5			1100℃ x 24h ≤2.5		1200℃ x 24h ≤3.0		1350℃ x 24h ≤3.0
Thermal Conductivity (W/m·K)
200℃	0.07	0.06	0.06	0.06	0.06	0.06	0.06	0.06	0.06
400℃	0.12	0.11	0.10	0.11	0.10	0.11	0.10	0.11	0.10
600℃	0.20	0.19	0.18	0.19	0.17	0.18	0.16	0.16	0.15
800℃	0.30	0.23	0.20	0.23	0.20	0.22	0.20	0.21	0.19
1000℃	0.40	0.32	0.27	0.31	0.26	0.30	0.26	0.30	0.26