ALTRA® high-density vacuum formed board products are available in formulations for service temperatures up to 1800°C.  ALTRA® high-density boards are available for high temperature, oxidizing environments (KVS) and high temperature, reducing environments (KVR). ALTRA® boards are formed from alumina or mullite polycrystalline fibers with appropriate inorganic and organic binders. All grades are pre-fired to 1000°C or greater, resulting in an organic free composition. Possible applications include furnace hearth plates and low mass sintering setters.

 

 Download product data sheet