Refractory Brick/Super Duty Fireclay Brick (YF/SD/42)

Refractory Brick / Super Duty,Dry Press Fireclay Brick

YUFENG Refractory's Super Duty Fireclay Brick meeting ASTM regular type classifications,

Key Features:

High Strength,
Lower shrinkage,
Good Alkalis Resistant,
Good resistant to Thermal Shock

Typical Applications:
Carbon baking pit furnace fluewalls and Head Walls, Air Heaters, Combustion Chamber, Boilers, Stacks, etc

Chemical Compositions (Approximate)
 
Silica                                      (SiO2)             53.10%
Alumina                                   (Al2O3)       42%
Iron Oxide                                (Fe2O3)   2%
Titania                                     (TiO2)          1.9%
Lime                                       (CaO)              0.3%
Magnesia                                 (MGO)      0.4%
Alkalies                                    (Na2O+K2O) 0.6%

Physical Properties (Typical)

Pyrometric Cone Equivalent
Orton Standard Cones 34
Temperature Equivalent 3187º F(1753º C)

BulkDensity                               139lb/ft3     (2.22g/cm3)

Cold Crushing Strength:               4000lb/ft2  (27.5Mpa)

Permanent Linear Change
at 2910º F (1600º C)                 -0.3%

Apparent Porosity                        22-24%

Hot load Test Deformation at 2640º F (1450º C) -0.2 to -0.7%

NOTE: All data subject to reasonable deviation and should not be used for specifications purposes