Refractory Alumina Fire Brick/Duty Fireclay Brick

Product Description:

Product Description

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%

why us

1. We are a manufacturer, which can control the cost easilier than trade company also can give you anwer more quickly.

2. As a manufacturer, we know much in technique and can give you more support in technique problem.

3.We establish the company and began to produce refractory materials since 1988. We have longtime and mature experience  for entire production.

4.Our products are complete in specifications with various of sizes.

5. We enjoy a good reputation in the customers in domestic and overseas markets.