Product Description
BNZ Materials 9 x 4.5 x 3-2 " 2300°F #3 Wedge Insulating Firebrick - 12ct Box
PN: BNZ 23 #3 Wedge
Made from high purity refractory clays and other ceramic raw materials, these IFB contain a carefully graded organic filler which is burned out during manufacture to give a uniform controlled pore structure.
Size: 9x4.5x3-2"
Qty in Each Box: 12
ASTM Classification: 23
Temperature Use Limit (normal oxidizing atmosphere): 2300°F / 1260°C
Density Avg. ATSM C 134: 37 lb/ft³, 593 kg/m³, 2.2 lb/BEq, 1.0 kg/str.
Modulus Of Rupture ASTM C 133: 105 lb/in², 0.7 MPa, 7.4 kg/str.
Cold Crushing of Strength ATSM C 133: 125 lb/in², 0.9 MPa, 8.8 kg/cm²
Reversible Linear Thermal Expansion at 2000°F (1093°C): 0.6
Thermal Conductivity ASTM C 182:
- 500°F / 1.0
- 260°C / 0.14
- 1000°F / 1.3
- 538°C / 0.19
- 1500°F / 1.6
- 816°C / 0.23
- 2000°F / 1.8
- 1093°C / 0.26
Chemical Analysis:
- Alumina – Al2O3: 39.4
- Silica – SiO2: 54.9
- Ferric Oxide – Fe2O3: 0.7
- Titanium Oxide – TiO2: 1.5
- Calcium Oxide – CaO: 3.0
- MgO: 0.1
- Alkalies, as Na2O & K2O: 0.4
