REFEL 1240

REFEL 1240, with the highest zirconium oxide content in the standard product range, offers the greatest resistance to glass corrosion. Its special chemical and physical properties make REFEL 1240 the ideal solution for those areas of the furnace which are subject to particular stress.

REFEL 1240

Title:

Description:


  • MICROGRAPH
  • PHYSICAL DATA
  • TYPICAL CHEMICAL COMPOSITION
  • TYPICAL MINERALOGICAL COMPOSITION
  • THERMAL CONDUCTIVITY
  • ELECTRICAL RESISTIVITY
  • THERMAL EXPANSION
  • CASTING TYPE
MICROGRAPH
PHYSICAL DATA
Cold crushing strength1 >200 N/mm2
Refractoriness under load (T05)2 1700°C
Corrosion resistance in soda lime glass at 1500°C3 index 1 (reference index)
Stone formation in soda lime glass at 1500°C 0
Blistering in soda lime glass at 1150°C4-5 0
Exudation at 1550°C6 index 0.58 (referred to 1532 material)
True density7 3.98 g/cm3

1 DIN EN 993-5
2 DIN EN ISO 1893
3 ICG TC11, 120 hours
4 Crucible test, 96 hours
5 ICG Subcommittee A1 definition
6 ICG TC11, 10 cycles
7 DIN 66137-2

TYPICAL CHEMICAL COMPOSITION
TYPICAL MINERALOGICAL COMPOSITION
THERMAL CONDUCTIVITY
ELECTRICAL RESISTIVITY
THERMAL EXPANSION
CASTING TYPE
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