DuPont Mobility and Materials Vespel® SP-1 Polyimide, Machined

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DuPont Mobility and Materials Vespel® SP-1 Polyimide, Machined
Categories:	Polymer; Thermoplastic; Polyimide, Thermoplastic; Thermoplastic Polyimide, Unfilled
Material Notes:	Provides maximum physical properties and best electrical and thermal insulation. Applications: Mechanical and electrical parts at elevated temperatures. Valve seats, seal, insulators. Direct-formed properties were measured perpendicular to the forming direction unless specified. Machined properties are non-directional Information provided by DuPont Information provided by DuPont. This product line has remained with DuPont after the DuPont-Dow merger.
Vendors:

Available Properties

Specific Gravity, ASTM D792
Water Absorption, ASTM D570, 24 hrs @ 73°F.
Water Absorption, ASTM D570, 48 hrs @ 122°F
Moisture Absorption at Equilibrium, 50% RH
Deformation, ASTM D621, 2000 psi; 122°F
Hardness, Rockwell E, ASTM D785
Tensile Strength, Ultimate, ASTM D1708, 73°F
Tensile Strength, Ultimate, ASTM D1708
Elongation at Break, ASTM D1708, 73°F
Elongation at Break, ASTM D1708
Flexural Strength, ASTM D790, 500°F
Flexural Strength, ASTM D790, 73°F
Flexural Modulus, ASTM D790, 500°F
Flexural Modulus, ASTM D790, 73°F
Compressive Strength, ASTM D695, @1% strain; 73°F
Compressive Strength, ASTM D695, @0.1% Offset; 73°F
Compressive Strength, ASTM D695, @10% strain; 73°F
Compressive Modulus, ASTM D695, 73°F
Poissons Ratio, 73°F
Fatigue Strength, Axial Fatigue Endurance Limit
Fatigue Strength, Axial Fatigue Endurance Limit
Fatigue Strength, Axial Fatigue Endurance Limit
Fatigue Strength, Flexural Fatigue Endurance Limit
Fatigue Strength, Axial Fatigue Endurance Limit
Fatigue Strength, Flexural Fatigue Endurance Limit
Shear Strength, ASTM D732
Izod Impact, Notched, ASTM D256, 73°F
Izod Impact, Unnotched, ASTM D256, 73°F
Coefficient of Friction, Dynamic, PV-25,000. Steady State; Unlubricated in air.
Coefficient of Friction, Static, In air.
Volume Resistivity, ASTM D257, 73°F
Surface Resistance, ASTM D257, 73°F
Dielectric Constant, ASTM D150
Dielectric Constant, ASTM D150
Dielectric Constant, ASTM D150
Dielectric Strength, ASTM D149, Short time; 80 mils thick; 73°F
Dissipation Factor, ASTM D150
Dissipation Factor, ASTM D150
Dissipation Factor, ASTM D150
CTE, linear, ASTM E-228
CTE, linear, ASTM E-228
Specific Heat Capacity
Thermal Conductivity, 104°F
Deflection Temperature at 1.8 MPa (264 psi), ASTM D648, Approximate
Oxygen Index, ASTM D2863

Property Data

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Manufacturer Notes:
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Category Notes
Plastic

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