ISO 9001:2015 Certified | Cage Code: 7L0f6
TYPICAL PROPERTIES of VESPEL® VESPEL SP211 (PTFE, GRAPHITE) |
||
ASTM or UL test | Property | SP-211 |
– | Filler Material | 10% PTFE, 15% Graphite |
PHYSICAL | ||
D792 | Density (lb/in³) (g/cm³) |
0.056 1.55 |
D570 | Water Absorption, 24 hrs @ 73°F (%) 48 hrs @ 122°F (%) |
0.21 0.49 |
MECHANICAL | ||
D638 | Tensile Strength, Ultimate @ 73°F (psi) @ 500°F (psi) |
6,500 3,500 |
D638 | Tensile Modulus (psi) | – |
D638 | Tensile Elongation, Ultimate @ 73°F (%) @ 500°F (%) |
3.5 3.0 |
D790 | Flexural Strength, Ultimate @ 73°F (psi) @ 500°F (psi) |
10,000 5,000 |
D790 | Flexural Modulus @ 73°F (psi) @ 500°F (psi) |
450,000 200,000 |
D695 | Compressive Strength, 10% strain @ 73°F (psi) | 14,800 |
D695 | Compressive Modulus (psi) | 300,000 |
D785 | Hardness, Rockwell | E1-20 |
D256 | IZOD Notched Impact (ft-lb/in) | – |
Poisson’s Ratio | – | |
THERMAL | ||
D696 | Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) |
3.0 |
D648 | Heat Deflection Temp (°F / °C) at 264 psi |
– |
– | Max Continuous Operating Temp (°F / °C) | 500 / 260 |
C177 | Thermal Conductivity (BTU-in/ft²-hr-°F) (x 10-4 cal/cm-sec-°C) |
5.3 18.3 |
UL94 | Flammability Rating | V-0 |
D149 | Dielectric Strength (V/mil) short time, 1/8″ thick | – |
D150 | Dielectric Constant at 1 MHz | – |
D150 | Dissipation Factor at 1 MHz | – |