70% Alumina Hardbrick FireBrick Straights 2.5" *Out of Stock*

70% ALUMINA STRAIGHT Fire bricks: 2.5"

• Bricks carry a $0.75 per brick double box safe packing fee when going UPS.
• There is a $5.00 minimum on this packing fee.
• ie. 1-6 bricks carry a flat $5.00 packing fee. Add $0.75 per brick for 7+ bricks.
• NOTE: This does not apply to large quantities of bricks which ship palletized via our truck or common carrier.

Call to special order any firebrick sizes not shown. Discounts are available when ordering 500 or more fire bricks.

P.C.E. Cone 36

METHOD OF MANUFACTURE Dry Press

CHEMICAL ANALYSIS (approximate)

Alumina [Al203] 69.4%

Silica [SiO2] 24.4%

Iron Oxide [Fe2O3] 1.5%

Titania [TiO2] 3.1%

Alkalies [Na2O + K2O + Li2O] 0.6%

Phosphorus Pentoxide [P2O5] 0.7%

Other 0.3%

MODULUS OF RUPTURE 1100 – 1700 psi

APPARENT POROSITY 16.5 – 19.5%

COLD CRUSHING STRENGTH 4000 – 7000 psi

BULK DENSITY 160 – 165 lbs./cu.ft.