Mullite (Pythagoras)

We offer a range of mullite materials marketed under the Pythagoras® name for our Haldenwanger® range of products.

Our Pythagoras® material is the most economical mullite material for kiln components. This material has good thermal shock resistance and good mechanical strength for kilns working under normal conditions up to 1400°C. It features very good chemical resistance against gases free of fluorine and is very economical as it is used as impervious protection sheaths and insulators for temperature measurement.

Pythagoras® 1800 Z

Pythagoras® 1800 Z is an impervious, mullite high performance material.

  • Refractoriness up to 1600°C
  • Very high thermal shock resistance
  • High mechanical strength
  • High electrical insulation even at high temperatures
  • Evaporation extremely low, therefore no contamination of kiln atmosphere; no reaction with heating element
  • Most suitable material for radiant heating tubes
  • Kiln tubes made of Pythagoras® 1800 Z can be very thin-walled

Pythagoras® Standard

The most economical, mullite material for kiln components.

  • Type 610 according to DIN EN 60672
  • Application temperatures up to 1400°C
  • Very good chemical resistance against gases free of fluorine
  • For kiln working under normal conditions Pythagoras® has a good thermal shock resistance and good mechanical strength
  • Pythagoras® is a very economical material being used as impervious protection sheaths and insulators for temperature measurement

If you are interested in our Pythagoras® material for your product, contact one of our sales engineers today for more information.​

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