Description; A cellular insulation refractory for precasting of furnace components. It combines structural strength with good thermal insulation. It has a high porosity, in the form of sealed ceramic microballoons, and a low permeability.
Physical properties; Maximum service temperature; 1280°C Density; 1,1g/cm³
Cold crushing strength; 8MPa.
Total porosity; <60%
Apparent porosity; <20%
Permanent linear change on firing to 1200°C: 0% < 0,1%
Thermal conductivity at 800°C: Approximately 0,4W/mK
Good thermal shock resistance.
Colur; Grey unfired, Beige after firing.
Applications; Element support bricks, furnace and kiln walls and roofs.
Installation; Mix with plus 30% water and vibration cast.
Packaging; 15kg clear plastic bags.