Ceramic Fiber Blanket

SD Tech's ceramic fiber blanket is a high-temperature refractory insulation manufactured using advanced spinning technology.
Its long fibers and high strength ensure excellent shape retention, and it is lightweight and durable. Its operating temperature range is 950°C (1,700°F) to 1,450°C (2,500°F).

1. Characteristic
  • Excellent insulation performance with low thermal conductivity
  • Outstanding thermal shock resistance and high-temperature stability
  • High tensile strength and sound absorption
  • Easy to cut and install
  • Asbestos-free
  • Excellent resistance to chemical corrosion
  • Rapid temperature response even in heated furnaces
2. Use
  • Ceramic Industry: Insulation and sealing of continuous and batch furnaces, and bogies
  • Petrochemical and refining industries: Insulation of high-temperature pipes and ducts
  • Steel industry: Insulation and sealing of inner walls of melting furnace doors, insulation of heat treatment furnaces, annealing furnaces, and reheating furnaces, and ladle covers
  • Power generation equipment: Insulation of boilers, pipes, and ducts
  • Construction: Fireproofing materials for high-rise buildings, high-temperature filter materials
3. Standard
  • 6 × 610 × 21,840
  • 12.5 × 610 × 14,640
  • 25 × 610 × 7,320
  • 38 × 610 × 4,800
  • 50 × 610 × 3,600
4. Specification
Division SD 1,100 SD 1,260 SD 1,360 SD 1,430 SD 1,500
Classification
temperature(℃)
1,100 1,260 1,360 1,430 1,500
Density(kg/m³) 96, 128-160
bow reduction
ratio(%)
(24hrs@128kg/m³)
≤ -4 (1,000℃) ≤ -3 (1,100℃) ≤ -3 (1,100℃) ≤ -3 (1,350℃) ≤ -3 (1,350℃)
Thermal
conductivity (w/m·k)
(128kg/m³)
0.09 (400℃)
0.16 (800℃)
0.09 (400℃)
0.16 (800℃)
0.12 (600℃)
0.20 (1,000℃)
0.16 (600℃)
0.20 (800℃)
0.16 (600℃)
0.20 (800℃)
Chemical
composition (%)
Al₂O₃ 42 - 44 45 -46 37 39 - 40 43
Al₂O₃ + SiO₂ 96 98 - - -
SiO₂ - - - - -
Cr₂O₃ - - - - 2.5 - 3.0
ZrO₂ - - - 15 - 17 -
Al₂O₃+SiO₂+
ZrO₂(Cr₂O₃)
- - 99 99 99