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The PA Series
of insulating fire brick (IFB)
adds a lower cost alternative to BNZ’s
traditional line of IFB. The PA series is
designed for applications where the lower
density and finer texture of the standard BNZ
grades is not required. They meet or exceed the
specifications of ASTM C 155 for each listed
grade, and are produced under BNZ's certified
ISO 9002 Quality System. |
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Insulating Fire Brick Plant Location |
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Zelienople
191 Front Street
Zelienople, PA 16063
Phone: 724-452-8650
800-955-8650
FAX: 724-452-1346 |
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[ download
the PA data sheet] |
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| Typical Data |
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PA SERIES |
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PA 20 |
PA 23 |
PA 26 |
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ASTM Classification |
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20 |
23 |
23 |
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Temperature Use Limit |
°F
°C |
2000 |
2300 |
2600 |
|
(Normal oxidizing atmosphere) |
(1093) |
(1260) |
(1427) |
Density
ASTM C 134 |
lb/ft³
kg/m³
lb/BEq |
39
(625)
2.3 |
44
(705)
2.6 |
49
(785)
2.5 |
Modulus of Rupture
ASTM C 133 |
psi
kg/cm² |
85
(6.0) |
115
(8.0) |
180
(12.0) |
Cold Crushing of Strength
ASTM C 133 |
psi
kg/cm² |
95
(7.0) |
140
(10.0) |
240
(17.0) |
| Permanent Linear Change |
% |
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| ASTM C 210 |
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| 24
hrs at soaking temp: °F (°C) |
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| 2250
(12320 |
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-0.0 |
-0.0 |
- |
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2550 (1399) |
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- |
- |
-0.1 |
Reversible Linear
Thermal Expansion
at 2000°F (1093°C) |
% |
0.06 |
0.06 |
0.6 |
| Hot Load Strength |
% |
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| ASTM
C 16 |
deformation |
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| 10
psi load for 11/2 hours: °F (°C) |
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| 2000
(1093) |
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-0.5 |
-0.5 |
- |
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2200
(1204) |
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- |
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-0.2 |
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Maximum Mean Temperature °F |
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1800 |
2100 |
2200 |
| Thermal Conductivity |
Btu-in/ft²,
hr, °F |
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| ASTM C 182 |
(W/mk) |
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| Mean
temperature, °F (°C) |
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500 (260) |
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1.4 |
1.6 |
2.1 |
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(0.20) |
(0.23) |
(0.30) |
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1000 (538) |
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1.8 |
2.0 |
2.4 |
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(0.26) |
(0.29) |
(0.35) |
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1500 (816) |
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2.2 |
2.4 |
2.7 |
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(0.32) |
(0.35) |
(0.39) |
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2000 (1093) |
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2.4 |
2.6 |
2.9 |
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(0.35) |
(0.37) |
(0.42) |
To convert
Btu-in/ft², hr,
°F to Kcal-m²,
hr, °C,
multiply by 0.124. |
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| Chemical Analysis |
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| Alumina - Al2O3 |
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42.5 |
42.5 |
40.1 |
| Silica - SiO2 |
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51.5 |
51.5 |
57.0 |
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Ferric Oxide - Fe2O3 |
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0.7 |
0.7 |
0.7 |
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Titanium Oxide - Ti2O2 |
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1.5 |
1.5 |
1.5 |
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Calcium Oxide - CaO |
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2.5 |
2.5 |
0.3 |
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Magnesium Oxide - MgO |
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0.1 |
0.1 |
0.1 |
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Alkalies, as Na2O
& K2O |
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1.0 |
1.0 |
0.4 |
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BNZ Materials
warrants that its products are manufactured in
accordance with its applicable material specifications
and are free from defects in workmanship and materials
using BNZ's specifications as a standard. Every claim
under this warranty shall be deemed waived unless in
writing and received by BNZ within thirty (30) days of
the date the defect was discovered and within one (1)
year of the date of the shipment of the product. |
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© 2010
BNZ Materials Inc. all rights reserved | site design HR |
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