BNZ Materials PA 23 Insulating Firebrick

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BNZ Materials PA 23 Insulating Firebrick
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	BNZ produces many types of Insulating Fire Brick (IFB) for use in applications from 2,000°F (1,093°C) to 3,200°F (1,760°C). Each type is formulated to meet specific thermal and physical requirements and after firing is machined to precise tolerances. 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. Information provided by BNZ Materials Inc.
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Physical Properties	Original Value	Comments

Density	44.0 lb/ft³	ASTM C134
Deformation	0.50 % @Temperature 1093 °C, Time 5400 sec	10 psi load, Hot Load Strength; ASTM C16

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.000790 GPa
Compressive Strength	10.0 kg(f)/cm²	Cold Crush Strength

Thermal Properties	Original Value	Comments
CTE, linear	5.60 µm/m-°C @Temperature 20.0 - 1093 °C
Thermal Conductivity	0.230 W/m-K @Temperature 260 °C	ASTM C182
	0.290 W/m-K @Temperature 538 °C	ASTM C182
	0.350 W/m-K @Temperature 816 °C	ASTM C182
	0.370 W/m-K @Temperature 1093 °C	ASTM C182
Maximum Service Temperature, Air	1260 °C
Shrinkage	0.00 % @Temperature 1232 °C, Time 86400 sec	Permanent Linear Change; ASTM C210

Component Elements Properties	Original Value	Comments
Al2O3	42.5 %
CaO	2.5 %
Fe2O3	0.70 %
MgO	0.10 %
Na2O	0.40 %	Includes K₂O
SiO2	51.5 %
TiO2	1.5 %

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CBNZ925 / 149165

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