• refractory products
    Cement and Ceramic - Kiln Car Furniture

Load Bearing and Supports

Alumina Based Bricks / Hollow Ware

Fired Alumina
Chemically Bonded
Casting Hollow Ware
chemically bonded
Bauxite
Corundum
bauxite	corundum

RM 42 RM 62 RM 70 RM 70 BF RM 75
Chemical
composition*
Al2O3 [%] 42,0-45,0 61,0-63,0 69,0-72,0 69,0-72,0 73,0-76,0
SiO2 [%] 48,0-52,0 30,0-33,0 20,0-24,0 20,0-24,0 15,0-18,0
Fe2O3 [%] 1,6-1,9 1,7-2,0 1,7-2,0 1,4-1,6 1,4-1,8
TiO2 [%] 2,3-2,7 2,3-2,7 2,4-3,0 2,4-3,0 2,6-3,0
Physical
properties
Apparent Porosity [%] 23,0-27,0 23,0-27,0 24,0-28,0 24,0-28,0 24,0-28,0
Bulk density [g/cm3] 2,00-2,20 2,10-2,30 2,20-2,40 2,20-2,40 2,25-2,45
Cold Crushing Strenght [MPa] ≥ 24 ≥ 30 ≥ 35 ≥ 35 ≥ 38