ISO 9001:2015 Certified | Cage Code: 7L0f6
TYPICAL PROPERTIES of VESPEL® SP-22 |
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| ASTM or UL test | Property | SP-22 |
| – | Filler Material | 40% Graphite |
| PHYSICAL | ||
| D792 | Density (lb/in³) (g/cm³) |
0.060 1.65 |
| D570 | Water Absorption, 24 hrs @ 73°F (%) 48 hrs @ 122°F (%) |
0.14 0.42 |
| MECHANICAL | ||
| D638 | Tensile Strength, Ultimate @ 73°F (psi) @ 500°F (psi) |
7,500 3,400 |
| D638 | Tensile Modulus (psi) | – |
| D638 | Tensile Elongation, Ultimate @ 73°F (%) @ 500°F (%) |
3.0 2.0 |
| D790 | Flexural Strength, Ultimate @ 73°F (psi) @ 500°F (psi) |
13,000 6,500 |
| D790 | Flexural Modulus @ 73°F (psi) @ 500°F (psi) |
700,000 400,000 |
| D695 | Compressive Strength, 10% strain @ 73°F (psi) | 16,300 |
| D695 | Compressive Modulus (psi) | 475,000 |
| D785 | Hardness, Rockwell | E5-25 |
| D256 | IZOD Notched Impact (ft-lb/in) | – |
| Poisson’s Ratio | – | |
| THERMAL | ||
| D696 | Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) |
2.1 |
| D648 | Heat Deflection Temp (°F / °C) at 264 psi |
– |
| – | Max Continuous Operating Temp (°F / °C) | 500 / 260 |
| C177 | Thermal Conductivity | – |
| UL94 | Flammability Rating | – |
| ELECTRICAL | ||
| D149 | Dielectric Strength (V/mil) short time, 1/8″ thick | – |
| D150 | Dielectric Constant at 1 MHz | – |
| D150 | Dissipation Factor at 1 MHz | – |
| D257 | Volume Resistivity (ohm-cm)at 50% RH | – |