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Silicate slabs – calcium – Norgpol

Silicate slabs – calcium

Silicate-calcium slabs are calcium silicate insulating products with high mechanical strength and high thermal stability. They are compressive and resistant to reducing gases such as H2, CO, CH4, NH3, N2. Silicate-calcium slabs have a capillary structure that allows water to be absorbed- the properties of the product, however, do not change after drying. They are harmless to health and have been classified as an environmentally friendly construction product, removed just like building debris. They are used in a variety of industries, e.g. in the construction of fireplaces, furnaces, dryers, in the cement and petrochemical industries as a classic insulating material.

Properties:

  • resistance to continuous load temp. 1000°C
  • good isolating properties
  • high resistance to compression and bending
  • high thermal stability
  • low specific weight
  • wear resistance
  • resistance to protective gases
  • environmentally friendly, harmless to health
  • easy to process
  • wide range of formats, dimensional stability.
Technical parameters
Classification temperature 1000°C
Gravity (+/- 10%)
DIN EN 1094-4
220-250 kg/m3
Porosity DIN EN 1094-4 ca. 90%
Compressive strength
EN 1094-4
1,8 MPa
Compression strength after 12h
EN 1094-6 po 12h
750°C: 1,2 MPa
900°C: 1,0 MPa
Thermal capacity specific 0,8-1,2 kJ/kgK
Linear extensibility
EN 1094-6 po 12h
1000°C: -1,5%
Value pH ok. 10
Thermal conductivity λ 200°C 0,08 %
400°C 0,10 %
600°C 0,12 %
800°C 0,15 %
Plate dimensions 300 x 600, 500 x 1000, 600 x 1000, 500 x 1250, 1000 x 1250 mm
Plate thicknesses 25, 30, 40, 50, 65, 70, 100 mm