SIMVAC Board

Rigid Insulation with Reliable Strength

SIMVAC Ceramic Fiber Board combines refractory fibers and binders to provide a rigid insulation solution with good mechanical strength, even under high-temperature conditions.

Key Benefits

  • Low thermal conductivity
  • Good mechanical strength
  • Thermal shock resistance
  • Good erosion resistance
  • Easy to cut and install
  • Even density and thickness
  • Asbestos-free

Applications

  • Hot face lining of ceramic kilns
  • Insulation for kiln car
  • Furnace door insulation
  • Duct insulation
  • General thermal barriers
  • High temperature insulation

Technical Index

Temperature° C Density
(kg/m³)		 Al2O3
(%)		 SiO2
(%)		 ZrO2
(%)		 Loss on
Ignition (%)
1050°C 300 – 384 21 – 23 72 – 74 — 5 – 8
1260°C 320 – 384 40 – 44 54 – 58 — 4 – 7
1425°C 320 – 384 29 – 31 54 – 58 12 – 14 4 – 7
Temperature° C Compressive
Strength
10% deform (kg/cm²)		 Compressive
Strength
25% deform (kg/cm²)		 Modulus of Rupture
(kg/cm²)		 Linear Shrinkage %
24 hrs.
1050°C 2.3 Min. 4.5 Min. 8 Min. 3.0 Max.
At 1000°C
1260°C 2.8 Min. 5.5 Min. 10 Min. 3.5 Max.
At 1200°C
1425°C 2.8 Min. 5.5 Min. 10 Min. 3.5 Max.
At 1400°C
  • Standard Size : 25mm x 500mm x 1000mm (also available in other thickness of 12 – 100mm)
  • Other sizes available on special order.

All data represents typical results of standard tests on 25mm thick Ceramic Fiber Board conducted under controlled conditions. As such, the information is intended only as a general guide for specifications and design estimates.