DuPont™ Vespel® SCP-50094

DuPont™ Vespel® SCP-50094 is Widely Used For:

  • Semiconductor and material handling machinery
  • Chip test sockets
  • Wafer clamping rings
  • Valve seats and sealing applications
  • Spline couplings
  • High performance bearings and bushings
  • Locking fasteners for aerospace
  • Pivot bushings on unison ring

Performance Characteristics:

  • Long term performance at temperatures
    up to 260°C (500°F)
  • Outstanding sealing characteristics when mated against metals
  • Excellent unlubricated bearing and wear properties

Common Brands:

  • DuPont™ Vespel®



Authorized Distributor of DuPont™ Vespel Polyimide

DuPont™ Vespel® SCP-50094

For applications that require high temperature and wear resistance

DuPont™ Vespel® SCP-50094 is a high tensile strength bearing and wear grade with enhanced thermal stability. Vespel® SCP-50094 is a proprietary polymer designed for demanding applications that require high temperature and wear resistance.

 

STANDARD SIZES
ROD Outside Diameter:
0.250 in – 2.50 in
OPTIONS AVAILABLE
COLOR Black
GRADES Bearing Grade, Graphite-Filled

Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Vespel® SCP-50094 is also available in bar.

 

Typical Properties for DuPont™ Vespel® SCP-50094 Polyimide
  ASTM
Method
Units SCP-50094
Graphite Bearing Grade – Low fill
Mechanical
Tensile strength,
23°C (73°F)
D1708 / D638 MPa (kpsi) 124
(18.0)
Tensile strength,
260°C (500°F)
D1708 / D638 MPa (kpsi) 55
(8.0)
Elongation at break,
23°C (73°F)
D1708 / D638 % 4.3
Elongation at break,
260°C (500°F)
D1708 / D638 % 13.0
Flexural modulus,
23°C (73°F)
D790 MPa (kpsi) 6,360
(923)
Flexural modulus,
260°C (500°F)
D790 MPa (kpsi) 3,540
(514)
Compressive stress at
10% strain, 23°C (73°F)
D695 MPa (kpsi) 220
(31.9)
Deformation under
13.8 MPa (2,000 psi) load
D621 % 0.05
Friction      
Coefficient of friction at
PV = .875 MPa m/s
(25,000 psi-ft/min)*
    0.25
Coefficient of friction at 
PV = 3.5 MPa m/s
(25,000 psi-ft/min)*
    0.07
Static coefficient
of friction in air*
     
PV limit (unlubricated)**   MPa-m/s
(kpsi ft/min)
17.5
(500)
Other Properties      
Coefficient of
thermal expansion
23–300°C (73–572°F)
E831 µm/m/K
(10-6 in/in-°F)
43 (24)
Hardness D785 Rockwell E 91
Water absorption,
24 hr at 23°C (73°F)
D570 % 0.06

*Versus carbon steel, steady state, unlubricated, in air, thrust bearing. **PV limits for any material vary with different combinations of pressure and velocity as well as other conditions.

Need more information about this material? Use our interactive plastic properties table

The information set forth herein is furnished free of charge and is based on technical data that DuPont believes to be reliable and falls within the normal range of properties. It is intended for use by persons having technical skill, at their own discretion and risk. This data should not be used to establish specification limits nor used alone as the basis of design. Handling precaution information is given with the understanding that those using it will satisfy themselves that their particular conditions of use present no health or safety hazards. Since conditions of product use and disposal are outside our control, we make no warranties, express or implied, and assume no liability in connection with any use of this information. As with any product, evaluation under end-use conditions prior to specification is essential. Nothing herein is to be taken as a license to operate or a recommendation to infringe on patents.

Caution: Do not use DuPont materials in medical applications involving implantation in the human body or contact with internal body fluids or tissues unless the material has been provided from DuPont under a written contract that is consistent with DuPont policy regarding medical applications and expressly acknowledges the contemplated use. For further information, please contact your DuPont representative. You may also request a copy of DuPont POLICY Regarding Medical Applications H-50103 and DuPont CAUTION Regarding Medical Applications H-50102. Copyright© 2015 DuPont.