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sp211partVespel® SP-211 has 10% PTFE and 15% graphite by weight added to the base resin for the part coefficient of friction over a wide range of operating conditions. It also has excellent wear resistance up to 300 degrees F (149 degrees C). Typical applications include sliding or liner bearings as well as many wear and friction uses.

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

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At a Glance

Available In
Sheet, Rod

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Technical Information

Stock Products Properties Applications Advantages Grades Downloads

Stock Products

TypeSizeLengthColor
Sheet 0.062″ – 2.0″ 10″ x 10″ Black
Rod 1/4″ – 6″ DIA CTS Black

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Density lb/in3 D792 0.056
Water Absorption. 24 hrs % D570 .21
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 6500
Tensile Modulus psi D638
Tensile Elongation @Break % D638 3.5
Flexural Strength psi D790 10,000
Flexural Modulus psi D790 450,000
Hardness. Rockwell R D785 E1-20
IZOD Impact Strength Notched ft-lb/in D256
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) D256 3.0
Max Continuous Operating Temperature °F 500
Heat Deflection Temp at 264 psi °F

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.

Applications

  • Sliding and linear bearings
  • Bushings
  • Thrust washers
  • Seal rings

Advantages

  • Low wear at high bearing PVs
  • Low coefficient of friction
  • PTFE filled
  • Superior unlubricated wear
  • Excellent creep resistance
  • Wear resistance up to 300 degrees F
  • Good tensile strength, elongation, and flexural modulus

Grades

  • Vespel® SP-1
  • Vespel® SP-21
  • Vespel® SP-22
  • Vespel® SP-3

NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-459-4321.

Performance Characteristics

  • GE A50 TF146 Class D
  • ASTM-D 6456-99 Ty 2, Class 3
  • AMS 3644 Class 4
  • Mil-P-46198 Type 2, Class 3

 

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