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ALFISO High Temperature Alumina Fiber Boards

ALFISO high temperature boards are rigid and self-supporting, made from alumina fiber, with ALFISO’s unique forming technology and treatment process, offer exceptional high temperature stability, low thermal conductivity at elevated temperature. Available in various compositions, densities and sizes, additional hardness and strength can be reached with post treatments.

Application Temperature     1700°C, 1750°C, 1800°C
Density: 350-550kg/m3


Exceptional thermal stability
Low thermal conductivity
Low heat storage
Good flexural and compressive strength 
Close tolerance with excellent surface finish
 Easy to cut, drill or saw


Thickness: 25-125mm
Dimension: 900 x 600mm

Post Treatments

FN: Fired
FS: Fired and surface hardened
FC: Fired and completely hardened


High temperature furnace linings
Kiln furniture
Combustion chamber insulation


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