Vespel® SP-22 has 40% graphite by weight for enhanced wear resistance, lower friction, improved dimensional stability (low coefficient of thermal expansion), and stability against oxidation. Typical uses are bearings, thrust washers, bushings, seal rings, slide blocks, and other wear applications. Vespel® SP-22 is great for projects with tight tolerances.
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Sheet, Rod
Certifications
GE A50 TF146 Class C, ASTM-D 6456-99 Ty 2, Class 1, AMS 3644 Class 3, Mil-R-46198 Type 2, Class 2
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| Type | Size | Length | Color |
|---|---|---|---|
| Sheet | 0.062″ – 2.0″ | 10″ x 10″ | Black |
| Rod | 1/4″ – 6″ DIA | CTS | Black |
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
| Physical Properties | Units | ASTM | Results |
|---|---|---|---|
| Density | lb/in3 | D792 | 0.060 |
| Water Absorption. 24 hrs | % | D570 | .14 |
| Mechanical Properties | Units | ASTM | Results |
|---|---|---|---|
| Tensile Strength @yield | psi | D638 | 7500 |
| Tensile Modulus | psi | D638 | |
| Tensile Elongation @Break | % | D638 | 3.0 |
| Flexural Strength | psi | D790 | 13,000 |
| Flexural Modulus | psi | D790 | 700,000 |
| Hardness. Rockwell R | D785 | E5-25 | |
| IZOD Impact Strength Notched | ft-lb/in | D256 |
| Thermal Properties | Units | ASTM | Results |
|---|---|---|---|
| Coefficient of Linear Thermal Expansion | (x 10-5 in./in./°F) | D256 | 2.1 |
| Max Continuous Operating Temperature | °F | 500 | |
| Heat Deflection Temp at 264 psi | °F |
