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Slide
Bearing Plates: PTFE, 25% Glass Filled,
Specifications
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Mechanical
| Property |
Value |
ASTM Test Method |
| Specific Gravity Measured |
2.1 - 2.3 |
D638 |
| Water Absorption(%) |
0.013 |
-
|
Hardness, Shore D
@ 78 deg F
@ 300 deg F |
57
56 |
D2240 |
| Wear Factor K |
less that 10x10-10 |
-
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| Tensile Strength (psi) |
2000 min |
D1457-56T |
| Tensile Elongation (%) |
200-250 |
D1457-56T |
| Flexural Strength (psi) |
606 |
D790-59T |
| Modulus (psi) |
2.39x105 |
D638 |
Compressive Strength, (psi)
0.2% offset |
1870 |
D695-54 |
Deformation at 78°F, 2000 psi
24 hr
Permanent Deformation (%) |
7.1
3.9 |
D621-59
(modified) |
Deformation at 780F,
2000 psi
100 hr
Permanent Deformation (%) |
8.9
4.4 |
-
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| Coefficient of Friction |
0.06 for loads
> 500 psi static |
Modified |
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Electrical
| Property |
Value |
ASTM Test Method |
| Dielectrical Strength in air (v
per mil) |
327 |
D149A |
| Dielectric Constant @60cps |
2.63 |
D150-54T |
| Volume Resistivity (ohm-cm) |
1013 |
D257-57T |
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Thermal
| Property |
Value |
ASTM
Test Method |
| Co-efficient of Linear Thermal Expansion (per
deg F) |
6.98 x 10-5 |
D694-44 |
| Co-efficient of Thermal
conductivity (Btu-in) hr-sq (ft. deg F) |
3.12 |
Cenco-Fitch |
| Continuous Service Temperature
(deg F) |
550o |
Various |
| Weatherability |
Unaffected |
Physical Exposure |
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Product Index
