Main Characteristics and Properties

• High temperature stable
• Lightweight, excellent handling strength
• Low thermal conductivity, low heat storage, thermal shock resistant
• Chemical and corrosion resistant, compatible with commonly used acid and alkali
• Excellent fire protection.

Chemical Composition: Al2O3: 47%, SiO2: 50%, total Al2O3 and SiO2 >97%, Fe2O3: < 1.0%

Fiber Diameter: 3 – 4.5 microns
Fiber Shrinkage (1800°F, 3h): < 3.5%
Working Temperature: 1,800 °F. for Continuous Use, 2300 °F Maximum
Specific Heat (@2000°F): 0.27 Btu/lb °F

Thermal Conductivity by Temperature (8 LB Density)

Unit: BTU⋅in/hr⋅ft²⋅ºF (w/mK)

Testing Standard: ASTM C 201

0.44 (0.06)  @500°F (260°C)

0.87 (0.12)  @1000°F (538°C)

1.45 (0.21)  @1500°F (816°C)

1.83 (0.26)  @1800°F (982°C)

2.09 (0.30)  @2000°F (1093°C)

Product Applications

• Lining, insulation and repair for furnaces, kilns, ovens, boilers, steam reformers;
• Insulation for power plant, turbine, thermal reactor, generator, and nuclear applications;
• Expansion joint seal and insulation;
• Wrapping and insulation for high temperature pipe or metal casting;
• Fire protective insulation and lining
• Other high temperature seal, gasket, insulation, filtration or protection.