Refratechnik Hybrid castables:

Also suited for low temperatures.

The technology of cement-free Sol-Gel-bonded refractory castables makes another step forwards. Our new Hybrid castables permit fast heating combined with high strength – also at low temperatures.
This offers advantages in the production of prefabricated components or the lining of e.g. fluidized bed furnaces and refuse incineration plants.

 

Strengths of REFRACAST® Hybrid F-60 AR/R compared with a conventional Sol-Gel-bonded refractory castable: Clear advantages for Hybrid

REFRACAST® Hybrid F-60 AR/R Comparable Sol-Gel-version

Advantages of Hybrid castables

compared to conventional cementitious materials:
  • Faster heating up with shorter downtimes
  • Cost and energy-saving
  • Very good adherence on existing refractory materials
  • Installation possible on hot surfaces and with high ambient temperatures
  • Higher application temperature limits
  • Optimized thermomechanical behaviour
  • Long storage life of 12 months
  • Increased cold crushing strength and modulus of rupture as well as optimized abrasion resistance in the temperature range below 1000 °C.

Cold crushing strength of Hybrid castables and conventional Sol-Gel-bonded castables at 20 °C / 24 h: Hybrid castables exhibit a significant increase in cold crushing strength

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