| Properties |
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| Aluminum Contact Boards |
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High Temperature Structural Insulation |
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| Low Temperature Industrial Board |
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| Available thicknesses |
|
1⁄4″ – 3″ |
1⁄2″ – 3″ |
1″ – 2″ |
1⁄2″ – 2″ |
1⁄2″ – 3″ |
1⁄4″ – 3″ |
1⁄2″ – 3″ |
| Sheet Sizes |
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ALL SHEETS ARE 4 ft. x 8 ft. |
|
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| Density |
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|
| pcf |
|
85 |
65 |
54 |
60 |
46 |
100 |
98 |
| (kg/m²) |
|
(1362) |
(1041) |
(865) |
(961) |
(737) |
(1602) |
(1570) |
Modulus of Rupture (Flexural strength)
psi
kg/cm² |
|
3000
(210) |
1400
(98) |
900
(63) |
1400
(98) |
800
(56) |
2600
(183) |
3000
(211) |
| Comprehensive Strength |
% |
|
|
|
|
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|
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| Ultimate Load, psi |
|
10300 |
3000 |
2200 |
– |
– |
10,400 |
13,350 |
| kg/cm² |
|
(724) |
(211)
|
(155) |
– |
– |
(731) |
(939) |
| @ 5% Deformation, psi |
|
6400 |
2400 |
1600 |
3050 |
1000 |
6500 |
– |
| kg/cm² |
|
(450) |
(169) |
(112) |
(214) |
(70) |
(457) |
– |
| Moisture Content |
% |
|
|
|
|
|
|
|
| (normal), % of dry weight |
|
1.0 |
2.5 |
2.5 |
3.0 |
3.0 |
12 |
7 |
| Thermal Conductivity |
|
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| Mean temperature, Btu-in/ft², hr, °F |
|
|
|
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| 250°F |
|
– |
– |
– |
– |
– |
2.40 |
2.40 |
| 400°F |
|
2.13 |
– |
.99 |
1.13 |
0.81 |
– |
– |
| 600°F |
|
– |
– |
1.00 |
1.15 |
0.79 |
– |
– |
| 800°F |
|
1.94 |
1.92 |
1.03 |
1.16 |
0.81 |
– |
– |
| 1000°F |
|
2.01 |
1.95 |
1.06 |
1.17 |
0.86 |
– |
– |
| Mean temperature, (W/mk) |
|
|
|
|
|
|
|
|
| 121°C |
|
– |
– |
– |
– |
– |
0.34 |
0.34 |
| 204°C |
|
0.31 |
– |
0.14 |
0.16 |
0.12 |
– |
– |
| 316°C |
|
– |
– |
0.14 |
0.17 |
0.11 |
– |
– |
| 427°C |
|
0.28 |
0.28 |
0.15 |
0.17 |
0.12 |
– |
– |
| 538°C |
|
0.29 |
0.28 |
0.15 |
0.17 |
0.12 |
– |
– |
| Shrinkage |
|
|
|
|
|
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|
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| 24 hrs @ |
|
1600°F |
1350°F |
1350°F |
1200°F |
1200°F |
600°F |
600°F |
| Linear (Length or width), % |
|
0.24 |
0.1 |
2.3 |
0.6 |
0.4 |
0.85 |
0.14 |
| Thickness, % |
|
2.0 |
0.8 |
9.4 |
2.1 |
1.4 |
3.7 |
0.41 |
|
Electrical |
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Arc Resistance, seconds, ASTM D 495 |
|
304 |
– |
– |
– |
– |
260 |
272 |
|
Volume Resistivity, ohm-cm, ASTM D 257 |
|
4.52 x 1012 |
|
|
5.0 x 108 |
9.8 x 107 |
7.1 x 1010 |
1.25 x 1013 |
| Dielectric Strength, v/mil, ASTM D 495 |
|
61 |
– |
– |
46 |
45 |
35 |
56 |
| Screw Holding Strength |
|
|
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| @ 7⁄8″ penetration, lbs |
|
875 |
240 |
220 |
500 |
200 |
– |
– |
| (k/g) |
|
(397) |
(109) |
(100) |
(227) |
(91) |
– |
– |
|
Note: All BNZ products are non-asbestos.
Test results represent typical average values obtained in accordance with accepted test methods.
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