Vespel® SP-3 is 15% moly-filled (milybdenum disulfide solid lubricant) for wear and friction resistance in vacuum and other moisture free environments where graphite actually becomes abrasive. Typical applications of Vespel® SP-3 include seals, bushings, bearings, gears, and other wear surfaces in outer space, ultra-high vacuum or dry gas applications.
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At a Glance
Available In Sheet, Rod, Ball
Certifications ASTM-D 6456-99 Ty 3, AMS 3644 Class 5, Mil-R-46198 Type 3
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
Water Absorption. 24 hrs
Tensile Strength @yield
Tensile Elongation @Break
Hardness. Rockwell R
IZOD Impact Strength Notched
Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
Max Continuous Operating Temperature
Heat Deflection Temp at 264 psi
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
Maximum wear and friction resistance in vacuums and other dry environments
Ultra low out-gassing
High performance in aerospace applications
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