Vespel® SP-22

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Overview
 Performance Characteristics
 Typical Applications
 Typical Properties
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DuPont™ Vespel® SP-22 BRAND
DuPont™ Vespel®
Polyimide Shapes

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Also, visit our technical resources section 		Overview DuPont™ Vespel® SP-22 provides:

  • Low friction
  • Enhanced resistance to wear
  • Improved dimensional and oxidative stability

Vespel® SP-22 Standard Sizes

SHEET 10"x10" (0.062"-2.0" thick)
ROD diameter 0.25"-6.0"
  • Length, width, thickness, and diameter tolerances vary by size
  • Custom sizes available upon request
  • Vespel® is not available as a film

Vespel® SP Grades


Bearing grades
Authentic DuPont Vespel Polyimide Shapes - Learn why the success of your application depends on it Demand...
AUTHENTIC DUPONT™ VESPEL® POLYIMIDE SHAPES
Learn why the success of your application depends on it

Curbell Plastics, Inc. is the Western US Region Authorized Supplier
of Authentic DuPont™ Vespel® Polyimide Shapes

NOTE: Several grades of DuPont™ Vespel® are available. For additional information on Vespel® SP-22 polyimide shapes, contact your local Curbell Plastics representative or call Curbell at 1-888-287-2355.
Click to view
DuPont™ Vespel® SP-22 BRAND
DuPont™ Vespel®
Polyimide Shapes

DOWNLOAD

Also, visit our technical resources section 		Performance Characteristics
  • Enhanced resistance to friction and wear
  • Minimal thermal expansion
  • Higher thermal conductivity than unfilled grades
  • High temperature resistance
  • Improved dimensional and oxidative stability
  • Minimum elongation
Click to view
DuPont™ Vespel® SP-22 BRAND
DuPont™ Vespel®
Polyimide Shapes

DOWNLOAD

Also, visit our technical resources section 		Typical Applications Vespel® SP-22 for tight-tolerance applications including:

  • Bearings
  • Thrust washers
  • Seal rings
  • Ferrules
  • Sleeves
  • Wear strips
  • Vanes
Typical Properties

Vespel® SP-22 Typical Isostatic Shapes Properties

Vespel sp-22
UNITS ASTM TEST VESPEL®
SP-1		 VESPEL®
SCP-5000		 VESPEL®
SP-21		 VESPEL®
SP-22		 VESPEL®
SP-211		 VESPEL®
SP-3
Tensile strength  
(73°F)		 psi D-1708/
D-638		 12,500 23,600 9,500 7,500 6,500 8,200
Flexural modulus
(73°F)		 psi D-790 450,000 836,000 550,000 700,000 450,000 475,000
Izod impact (notched,
73°F)		 ft-lbs/in
of notch		 D-256 0.8 - 0.8 - - 0.4
Heat deflection temperature @ 264 psi °F D-648 ~680 - ~680 - - -
Thermal Endurance(50% TS retention) in air for 3000hr °F 500 662 540 ~540 - -
Water absorption (immersion
24 hours,
73°F)		 % D-570 0.24 0.08 0.19 0.14 0.21 0.23
Coefficient of linear thermal expansion(73°-572°F) in/in/°Fx10-5 D-696 3.0 2.4 2.7 2.1 3.0 2.9
Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand.

The DuPont Oval Logo, DuPont®, The miracles of science™, and Vespel® are registered trademarks or trademarks of E. I. du Pont de Nemours and Company or its affiliates.

Caution: Do not use this product in medical applications involving permanent implantation in the human body. For more information, visit: "DuPont Medical Caution Statement."

DuPont™ Vespel® information contained on this page is courtesy of Vespel.com and is property of DuPont™.
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Contact Curbell Plastics at 1-888-287-2355 for more specific information about DuPont™ Vespel® SP-22 or complete our request for quote online form.