SUPERCERA is a high temperature insulating refractory fibre processed from high purity alumina and silica constituents specially selected for high strength. refractoriness and stability even under. severe conditions. SUPERCERA spun texture gives it the added extra of exceptionally long fibres and superior mechanical properties essential to meet rugged service conditions.
SUPERCERA bulk fibres provide superior acoustical benefit in addition to high thermal performance - a relevant benefit in process furnaces. SUPERCERA can be handled and worked into expansion joints, wall penetrations and other areas with nominal skills. In specific cases, our application engineers would be happy to assist with heat loss, Surface Temperature and Heat Storage Computations.

SPECIFICATIONS
CHEMICAL COMPOSITION
RT
RTZ
HTZ
Al203(%)
46-48
41-43
33-36
SiO2 (%)
52-54
50-54
44-48
ZrO2 (%)
-
4-6
16-19
Leachable Chlorides
<10ppm
<10ppm
<10ppm
SALIENT FEATURES
APPLICATIONS
  • Low heat storage
  • Light weight
  • Very low thermal conductivity
  • Resistance to high temperature
  • High resilience
  • Excellent corrosion resistance
  • Resistance to thermal shock
  • Excellent resistance to chemical attack (with the exceptions of hydrofluoric and phosphoric acids).

As a resilient fill or packing material in high temperature areas like :

  • Burner openings
  • Kiln insulations
  • Expansion joints
  • Fibre boxes
  • Furnace patch sealing
  • Emergency repairs in refractory
  • Glass tanks and glass processing
  • Furnace repairs
AVAILABILITY (For all grades)

SUPERCERA bulk fibre is available in standard packs of 10kg.
PHYSICAL PROPERTIES
RT
RTZ
HTZ
Melting Temperature°C
1760
1700
>1650
Specific Heat (KJ/KgK)
1.07
1.07
1.07
Fibre Diameter (mean)
2.8µ
2.8µ
2.8µ
Linear Shrinkage (%) after 24 hrs Firing / Soaking
1000°C
1.5
1.5
-
1100°C
2.2
2.2
-
1200°C
3.0
3.0
2.7
1300°C
-
-
3.5
1400°C
-
-
4.0
Max. Service temp.°
1260
1260
1425
 
 
 
 
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