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Superwool XTRA

Superwool XTRA

Superwool® XTRA Blanket is made of Superwool® XTRA long fibres. It exhibits outstanding insulating properties at elevated temperatures. Superwool® XTRA Blanket has an excellent thermal stability and retains its original soft fibrous structure up to maximum continuous use temperature. Blanket contains neither binder nor lubricant and does not emit any fume or smell during the first firing. It is flexible, easy to cut and shape and easy to install

Classification temperature
1450°C (EN 1094-1) 2600°F (ASTM C892-17)

Benefits

  • Excellent thermal insulating performances
  • Exonerated from any carcinogenic classification under nota Q of directive 97/69EC, certificate available on request
  • Does not form crystalline silica when exposed to high temperatures
  • Excellent resistance to chemicals and pollutants, especially alkali metals
  • High thermal coefficient of expansion to counteract shrinkage in operation
  • Excellent thermal stability with time
  • Low heat storage
  • Immune to thermal shock
  • High resistance to erosion when used in stack modules; no damage up to 50 m/sec at 1250°C (2282°F)
  • Good resistance to tearing
  • Flexible and resilient
  • Resistant to water and steam
  • Good sound absorption
  • Free of binder or lubricant
  • Classification temperature °C (°F) 1450 (2600)
    Melting point °C (°F) 1650 (3000)
    Colour White
    Density kg/m3 (pcf) 6 (6), 128 (8), 160 (10)
    Tensile Strength (EN 1094)
    96 kg/m³ kPa > 45
    128 kg/m³ kPa > 70
    160 kg/m³ kPa > 90
    Fibre Diameter (arithmetic mean) µm 4.5 – 5
    Permanent linear shrinkage (EN 1094-1) after 24 hours isothermal heating, 1450°C % < 4
    Permanent linear shrinkage (ASTM C892-17) after 24 hours isothermal heating, 2600°F % < 4
    Thermal conductivity, (ASTM C-201) 96kg/m³ 128kg/m³ 160kg/m³
    200°C (390°F) W/m.K 0.07 (0.49) 0.07 (0.49) 0.06 (0.42)
    400°C (750°F) W/m.K 0.11 (0.76) 0.10 (0.69) 0.09 (0.62)
    600°C (1110°F) W/m.K 0.18 (1.25) 0.16 (1.11) 0.14 (0.97)
    800°C (1470°F) W/m.K 0.30 (2.08) 0.27 (1.87) 0.23 (1.60)
    1000°C (1830°F) W/m.K 0.46 (3.19) 0.42 (2.91) 0.34 (2.36)
    1200°C (2190°F) W/m.K 0.67 (4.65) 0.60 (4.16) 0.49 (3.40)
    Chemical composition
    Al2O3 % 32 – 38
    SiO2 % 27 – 33
    K2O % 23 – 28
    ZrO2 % 5 – 9
    MgO % 0,5 – 1,5
    Other oxides % < 0,5
  • Thickness (mm) Density (kg/m) Length (mm) Width (mm) Carton (m2)
    96 128 160  
    6 + 4 x 5500 610 13,42
    13 + + + 14640 610 8,93
    19 + + + 9760 610 5,95
    25 + + + 7320 610 4,46
    38 + + 4880 610 2,98
    50 + + 3660 610 2,23