This is our best impervious material next to Alsint 99.7:

•Refractoriness up to 1600°C.

•Excellent thermal shock resistance.

•High mechanical strength.

•High electrical insulation, even at high temperatures.

•Evaporation extremely low - therfore no contamination of furnace atmosphere.

•Most suitable material for radiant heating tubes .

•Furnace tubes made from Pythagorus 1800 Z can be very thin walled.