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Distributor of Vespel Plastic in Sheet, Rod, Bar and Brushing

Distributor of Vespel Vespel® is a high performance polyimide material which is formed from resin manufactured only by DuPont. Polyimide materials are characterized by a ring-shaped molecular structure containing Nitrogen.

Vespel® is one of the highest performing engineering plastics currently available. Vespel® will not melt and can operate continuously from cryogenic temperatures to 550°F (288°C), with excursions to 900°F (482°C). Vespel® parts consistently exhibit superior performance in a variety of applications requiring low wear and long life in severe environments.

 

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Vespel Plastic Materials Properties FDA USDA NSF 3A DAIRY
SP-1 Vespel Plastic Unfilled
SP-21 Vespel Plastic 15% Graphite
SP-22 Vespel Plastic 40% Graphite
SP-211 Vespel Plastic 10% PTFE, 15% Graphite
SP-3 Vespel Plastic 15% Moly

SP-1 Vespel Plastic

Vespel ® SP-1 is the unfilled base resin grade. SP-1 provides maximum physical strength, elongation, and toughness as well as the best electrical and thermal insulation values. Typical applications include spacers, high-temp fixtures, valve seats, balls, gaskets, insulators, and seals.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi 12,500 - 6,000
Tensile Elongation ASTM-D638 % 7.5 - 6.0
Tensile Modulus of Elasticity ASTM-D638 psi -
Flexural Strength ASTM-D790 psi 16,000 - 9,000
Flexural Modulus of Elasticity ASTM-D790 psi 450,000 - 250,000
Compressive Strength ASTM-D695 psi 19,300
Izod Notched Impact ASTM-D256 ft.-lb./in. 0.8
Rockwell Hardness ASTM-D785 M or R scale E45-60

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 3.0
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F 680 / 360
Melting Point ASTM-D3418 °F  

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil 560
Dielectric Constant @ 60 Hz ASTM-D150     
Dielectric Constant @ 106 Hz ASTM-D150     
Dissipation Factor @ 60 Hz ASTM-D150     
Volume Resistivity ASTM-D257 ohm-cm 1014 - 1015

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.24 - 0.72
Water Absorption @ Saturation ASTM-D570 % weight  
Flammability UL-94    
Dynamic Coefficient of Friction      

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SP-21 Vespel Plastic

Vespel ® SP-21 has 15% graphite by weight added to the base resin for increased wear resistance and reduced friction in applications such as bearings, thrust washers, bushings, seal rings, slide blocks and other wear applications. SP-21 has the highest mechanical properties of the graphite filled grades.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi 9,500 - 5,500
Tensile Elongation ASTM-D638 % 4.5 - 6.0
Tensile Modulus of Elasticity ASTM-D638 psi -
Flexural Strength ASTM-D790 psi 16,000 - 9,000
Flexural Modulus of Elasticity ASTM-D790 psi 550,000 - 370,000
Compressive Strength ASTM-D695 psi 19,300
Izod Notched Impact ASTM-D256 ft.-lb./in. 0.8
Rockwell Hardness ASTM-D785 M or R scale E25-45

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 2.7
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F 680 / 360
Melting Point ASTM-D3418 °F  

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil 250
Dielectric Constant @ 60 Hz ASTM-D150     
Dielectric Constant @ 106 Hz ASTM-D150     
Dissipation Factor @ 60 Hz ASTM-D150     
Volume Resistivity ASTM-D257 ohm-cm 1012 - 1013

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.19 - 0.57
Water Absorption @ Saturation ASTM-D570 % weight  
Flammability UL-94    
Dynamic Coefficient of Friction      

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SP-22 Vespel Plastic

Vespel ® SP-22 has 40% graphite by weight for enhanced wear resistance, lower friction, improved dimensional stability (low coefficient of thermal expansion), and stability against oxidation. Typical uses are the same as those for SP-21.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi 7,500 - 3,400
Tensile Elongation ASTM-D638 % 3.0 - 2.0
Tensile Modulus of Elasticity ASTM-D638 psi -
Flexural Strength ASTM-D790 psi 13,000 - 6,500
Flexural Modulus of Elasticity ASTM-D790 psi 700,000 - 400,000
Compressive Strength ASTM-D695 psi 16,300
Izod Notched Impact ASTM-D256 ft.-lb./in. -
Rockwell Hardness ASTM-D785 M or R scale E5-25

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 2.1
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F -
Melting Point ASTM-D3418 °F  

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil -
Dielectric Constant @ 60 Hz ASTM-D150     
Dielectric Constant @ 106 Hz ASTM-D150     
Dissipation Factor @ 60 Hz ASTM-D150     
Volume Resistivity ASTM-D257 ohm-cm -

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.14 - 0.42
Water Absorption @ Saturation ASTM-D570 % weight  
Flammability UL-94    
Dynamic Coefficient of Friction      

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SP-211 Vespel Plastic

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

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi 6,500 - 3,500
Tensile Elongation ASTM-D638 % 3.5 - 3.0
Tensile Modulus of Elasticity ASTM-D638 psi -
Flexural Strength ASTM-D790 psi 10,000 - 5,000
Flexural Modulus of Elasticity ASTM-D790 psi 450,000 - 200,000
Compressive Strength ASTM-D695 psi 14,800
Izod Notched Impact ASTM-D256 ft.-lb./in. -
Rockwell Hardness ASTM-D785 M or R scale E1-20

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 3.0
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F -
Melting Point ASTM-D3418 °F  

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil -
Dielectric Constant @ 60 Hz ASTM-D150     
Dielectric Constant @ 106 Hz ASTM-D150     
Dissipation Factor @ 60 Hz ASTM-D150     
Volume Resistivity ASTM-D257 ohm-cm -

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.21 - 0.49
Water Absorption @ Saturation ASTM-D570 % weight  
Flammability UL-94    
Dynamic Coefficient of Friction      

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SP-3 Vespel Plastic

Vespel ® SP-3 is 15% moly-filled (molybdenum disulfide solid lubricant) for wear and friction resistance in vacuum and other moisture-free environments where graphite actually becomes abrasive. Typical applications include seals, bushings, bearings, gears, and other wear surfaces in outer space, ultra-high vacuum or dry gas applications.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi 8,200
Tensile Elongation ASTM-D638 % 4.0
-
Tensile Modulus of Elasticity ASTM-D638 psi -
Flexural Strength ASTM-D790 psi 11,000 - 5,500
Flexural Modulus of Elasticity ASTM-D790 psi 475,000 - 270,000
Compressive Strength ASTM-D695 psi 18,500
Izod Notched Impact ASTM-D256 ft.-lb./in. 0.4
Rockwell Hardness ASTM-D785 M or R scale E40-55

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 2.9
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F -
Melting Point ASTM-D3418 °F  

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil -
Dielectric Constant @ 60 Hz ASTM-D150     
Dielectric Constant @ 106 Hz ASTM-D150     
Dissipation Factor @ 60 Hz ASTM-D150     
Volume Resistivity ASTM-D257 ohm-cm -

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.23 - 0.65
Water Absorption @ Saturation ASTM-D570 % weight  
Flammability UL-94    
Dynamic Coefficient of Friction      

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Benifits:

  • 185° F Continuous Use Temperature
  • High Strength and Stiffness
  • Excellent Toughness
  • Superior Wear Resistance
  • Low Moisture Absorption
  • Easily Machined and Fabricate

Industries:

  • Food Processing
  • Material Handling Equipment
  • Fluid Handling
  • Electronics Manufacturing
  • Automotive

Applications:

  • Rotary seal rings
  • Thrust washers and discs
  • Bushings
  • Flanged bearings
  • Plungers
  • Printer wire guides
  • Spline couplings
  • Wear strips
  • Valve seats
  • Thermal and electrical insulators
  • Wafer clamping, polishing and grinding rings
  • Wafer guides & carriers • Vacuum pads
  • Die pickup collets
- Let us be your "Just In Time Inventory."

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Phone: 1-877-465-5645 713-465-8918 | Fax: 713-465-5658 | Address: 9426 Old Katy Road Bldg. #7 Houston, TX 77055