Polycrystalline Ceramic Fiber Blanket

SDTECH Polycrystalline Blanket is a high-strength needled insulation blanket made from bulk fiber. Free of organic binders and additives, it offers outstanding heat resistance, oxidation resistance, and dimensional stability, and is widely used for high-temperature insulation across a broad range of industries.

1. Features
  • Excellent thermal shock resistance
  • Low shot content
  • High tensile strength
  • Excellent high-temperature stability
  • Low thermal conductivity
2. Applications
  • Hot face lining and flat joint applications for high-temperature industrial use
  • Gaskets for various furnace types
  • Back-up insulation
  • Burner block wrap
3. Specification
Division SD-1,600 Blacket
Classification Temperature(℃) 1,600
Recommended Operating Temperature(℃) 1,500
Color 백색
Density(kg/m³) 96 / 128
Tensile Strength(kPa) ≥ 80
Linear Shrinkage on Heating(%) 1,400℃ × 24h < 1.0
Trace Elements Trace amounts
Thermal Conductivity(W/m·K) 400℃ 0.09
600℃ 0.16
800℃ 0.22
1,000℃ 0.28
1,200℃ 0.36
1,400℃ 0.45
Chemical Composition(%) Al₂O₃ 71 - 73
SiO₂ 27 - 29