Zircar Refractory Composites

Zircar Thermal Insulation

High performance, high strength, alumina fibre thermal insulation.

High strength ceramic fibre boards for structural strength at high temperature.

Super high temperature zirconia board, cloth and blanket.

Zirconia

• Can be used up to 2200°C
• Low thermal conductivity at ultra high temperatures
• Resistant to chemical attack
• Thermal shock resistant

Alumina

• Hot face insulation up to 1800°C
• High alumina content for vacuum or reducing atmospheres
• High dimensional stability

Refractory composite sheets

• Good mechanical strength up to 120°C
• Not wetted by non-ferrous metals
• Easily machined to complex shapes

Alumina - Silica insulation

• Hot face insulation to 1400°C
• Economical back-up for higher temperature insulation
• Low thermal mass
• Thermal shock resistant
• Available as blanket, mat or bulk fibre

For more information please refer to Zircar Refractory Composites