Alundum®, Alfrax®, Mullfrax®, and Zirnorite® Refractories

Refractory Brick Linings


The use of high alumina, mullite and zirconia brick linings in high-temperature kilns and atmosphere furnaces can ensure optimal thermal processing. Engineered ceramics provide solutions for producing technical and fine ceramics in a wide range of highly specialized applications.

A large selection of high-purity alumina, high alumina-mullite, mullite, zirconia refractory, and kiln furniture products are available. Saint-Gobain Performance Ceramics & Refractories’ experienced engineers are on hand to support customers in producing technical ceramics with unique combinations of mechanical, electrical, thermal, and chemical properties. Products are available in both dense and insulating compositions.

  • High-temperature stability
  • High strength
  • Excellent thermal shock resistance
  • High-temperature creep resistance
  • Chemical compatibility
  • Extensive size and design capability


Material Properties

Suitable for use in technical ceramics and metal processing.


What is the purity of Saint-Gobain Performance Ceramics & Refractories’ alumina brick?

Alumina bricks are comprised of up to 99.8% Al2O3.

What types of insulating brick are available?

Insulating bricks are available in alumina and zirconia bubble grain compositions.

What types of zirconia kiln furniture and refractory solutions are available?

Calcia- and yttria-stabilized zirconia ceramic products are available, depending on specific process needs and operating conditions.