Super Duty Hardbrick FireBrick Splits 9 X 4.5 X 1.25"
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SUPER DUTY Hardbrick FireBrick SPLITS 9 x 4.5 x 1.25"
They are used in wood-fired kilns and ovens. The are also used in bag walls of gas kilns and many other high temp applications.
They are also available in 3" size : 9" x 4.5" x 3" as well as various arches, wedges, splits and soaps.
They handle temperatures well over 2350 F.
This type of dense fire brick is resistant to abrasion.
For salt soda kilns you will want to select the 70% Alumina bricks. You can use the more economical High Heat duty grade fire bricks in the chimneys of wood and gas kilns.
Most kilns, ovens and furnaces utilize a combination of several types of fire-brick and refractories.
Feel free to email or give us a call if you need help selecting the correct bricks for your application.
PHYSICAL PROPERTIES
PCE Value 33 - 34
Apparent Porosity 14 - 19%
Bulk Density 135 - 141 lb/ft3
Modulus of Rupture 900 - 1500 lb/in2
Cold Crush Strength 3000 - 5000 lb/in2
Linear Reheat Change (2910º F) + 0.5-1.5%
Panel Spall Loss (3000º F) 3 - 6%
CHEMICAL PROPERTIES
SiO 52.80%
Al2O3 41.50%
Fe2O3 1.89%
TiO2 2.86%
CaO 0.03%
MgO 0.20%
Alkalies 0.93%
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