DuPont Mobility and Materials Vespel® SP-2515 Direct Formed (DF) Polyimide Parts

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DuPont Mobility and Materials Vespel® SP-2515 Direct Formed (DF) Polyimide Parts
Categories:	Polymer; Thermoplastic; Polyimide, Thermoplastic
Material Notes:	Parts made from DuPont™ Vespel® SP-2515 offer a low coefficient of thermal expansion (CTE), excellent wear against both aluminum and steel alloys, and a low coefficient of friction in both dry and lubricated conditions. These properties make Vespel® SP-2515 parts ideal for applications such as seal rings, thrust washers, and bushings where high energy efficiency and dimensional stability, over a broad range of temperatures, are a requirement. Information provided by DuPont. This product line has remained with DuPont after the DuPont-Dow merger.
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Available Properties

Specific Gravity, ASTM D792
Water Absorption, ASTM D570
Deformation, ASTM D621
Deformation, ASTM D621
Tensile Strength, E-8 Specimen
Tensile Strength, ASTM D638
Elongation at Break, ASTM D638
Elongation at Break, E-8 Specimen
Modulus of Elasticity, E-8 Specimen
Modulus of Elasticity, ASTM D638
Flexural Strength, ASTM D790
Flexural Strength, ASTM D790
Flexural Modulus, ASTM D790
Flexural Modulus, ASTM D790
Compressive Strength, ASTM D695
Compressive Strength, ASTM D695
Compressive Modulus, ASTM D695
Compressive Modulus, ASTM D695
Coefficient of Friction, Dynamic, Falex, 0.88 PV, 0.7 m/s
Coefficient of Friction, Dynamic, Falex, 3.5 PV, 2 m/s
K (wear) Factor, Falex, Unlubicated, 25,000 psi-fpm PV; 0.7 m/s (134 fpm)
K (wear) Factor, Falex, Unlubicated, 100,000 psi-fpm PV; 2.0 m/s (400 fpm)
CTE, linear, ASTM E831, Perpendicular
CTE, linear, ASTM E831, Parallel
Specific Heat Capacity, ASTM E1269
Thermal Conductivity, ASTM F433
Thermal Conductivity, ASTM F433

Property Data

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Manufacturer Notes:
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Category Notes
Plastic

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