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Glossary of Terms
 

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

Distributor of Kynar PlasticPEEK is an abbreviation for PolyEtherEther-Ketone, a high performance engineering thermoplastic. PEEK grades offer chemical and water resistance similar to PPS (PolyPhenylene Sulfide), but can operate at higher temperatures. PEEK can be used continuously to 480°F (250°C) and in hot water or steam without permanent loss in physical properties.

For hostile environments, PEEK is a high strength alternative to fluoropolymers. PEEK carries a V-0 flammability rating and exhibits very low smoke and toxic gas emission when exposed to flame. And unfilled PEEK is approved by the FDA for food contact applications (since 1998).

 

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PEEK Plastic Materials Properties FDA USDA NSF 3A DAIRY
PEEK (Unfilled) Unfilled
PEEK (30% Glass Filled) 30% Glass Filled
PEEK (30% Carbon Filled) 30% Carbon Filled
PEEK (Bearing Grade, Ketron HPV) Bearing Grade, Ketron HPV

PEEK (Unfilled)

This general purpose grade is unreinforced and offers the highest elongation and toughness of all PEEK grades. Unfilled PEEK is available in sheet and rod forms in natural (a very light brown or tan) color (see photo above) and is also available in black . Black PEEK is ideal for instrument components where aesthetics are important, as well as for seal components where ductility and inertness are important. All unfilled PEEK grades comply with FDA regulation 21 CFR 177.2415 for repeated food contact.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 --- ---
Tensile Strength ASTM-D638 psi 16,000
Tensile Elongation ASTM-D638 % 20
Tensile Modulus of Elasticity ASTM-D638 psi 500,000
Flexural Strength ASTM-D790 psi 25,000
Flexural Modulus of Elasticity ASTM-D790 psi 600,000
Compressive Strength ASTM-D695 psi 20,000
Izod Notched Impact ASTM-D256 ft.-lb./in. 1.0
Rockwell Hardness ASTM-D785 M or R scale M100

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 2.6
Max. Continuous Use Temp. Nytef std. °F 480 / 249
Heat Deflection Temp. @ 264 psi ASTM-D648 °F 320 / 160
Melting Point ASTM-D3418 °F 644 / 340

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil 480
Dielectric Constant @ 60 Hz ASTM-D150    ---
Dielectric Constant @ 106 Hz ASTM-D150    ---
Dissipation Factor @ 60 Hz ASTM-D150    ---
Volume Resistivity ASTM-D257 ohm-cm 4.9 x 1016

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.10
Water Absorption @ Saturation ASTM-D570 % weight ---
Flammability UL-94   V-0
Dynamic Coefficient of Friction     ---

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PEEK (30% Glass Filled)

The addition of glass fibers significantly reduces the expansion rate and increases the flexural modulus of PEEK. This grade is ideal for structural applications that require improved strength, stiffness, or stability, especially at temperatures above 300°F (150°C). Glass-filled PEEK is light brown or tan in color.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 --- ---
Tensile Strength ASTM-D638 psi 18,000
Tensile Elongation ASTM-D638 % 3
Tensile Modulus of Elasticity ASTM-D638 psi 1,000,000
Flexural Strength ASTM-D790 psi 28,000
Flexural Modulus of Elasticity ASTM-D790 psi 1,000,000
Compressive Strength ASTM-D695 psi 26,000
Izod Notched Impact ASTM-D256 ft.-lb./in. 1.4
Rockwell Hardness ASTM-D785 M or R scale M103

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 1.2
Max. Continuous Use Temp. Nytef std. °F 480 / 249
Heat Deflection Temp. @ 264 psi ASTM-D648 °F 600 / 315
Melting Point ASTM-D3418 °F 644 / 340

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil 500
Dielectric Constant @ 60 Hz ASTM-D150    ---
Dielectric Constant @ 106 Hz ASTM-D150    ---
Dissipation Factor @ 60 Hz ASTM-D150    ---
Volume Resistivity ASTM-D257 ohm-cm 5 x 1016

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight 0.10
Water Absorption @ Saturation ASTM-D570 % weight ---
Flammability UL-94   V-0
Dynamic Coefficient of Friction     ---

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PEEK (30% Carbon Filled)

The addition of carbon fibers enhances the compressive strength and stiffness of PEEK, and dramatically lowers its expansion rate. It offers designers optimum wear resistance and load carrying capability in a PEEK-based product. This grade provides 3½ times higher thermal conductivity than unreinforced PEEK -- dissipating heat from the bearing surface faster. Carbon-filled PEEK is black in color.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi  
Tensile Elongation ASTM-D638 %  
Tensile Modulus of Elasticity ASTM-D638 psi  
Flexural Strength ASTM-D790 psi  
Flexural Modulus of Elasticity ASTM-D790 psi  
Compressive Strength ASTM-D695 psi  
Izod Notched Impact ASTM-D256 ft.-lb./in.  
Rockwell Hardness ASTM-D785 M or R scale  

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F  
Max. Continuous Use Temp. Nytef std. °F  
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  
Water Absorption @ Saturation ASTM-D570 % weight  
Flammability UL-94    
Dynamic Coefficient of Friction      

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PEEK (Bearing Grade, Ketron HPV)

This grade of PEEK, containing carbon fiber reinforced with graphite and PTFE lubricants, offers the lowest coefficient of friction and the best machinability for all PEEK grades. Bearing grade PEEK has an excellent combination of low friction, low wear, high limiting PV, low mating part wear, and easy machining. Bearing grade PEEK is black or dark grey in color.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 ---  
Tensile Strength ASTM-D638 psi  
Tensile Elongation ASTM-D638 %  
Tensile Modulus of Elasticity ASTM-D638 psi  
Flexural Strength ASTM-D790 psi  
Flexural Modulus of Elasticity ASTM-D790 psi  
Compressive Strength ASTM-D695 psi  
Izod Notched Impact ASTM-D256 ft.-lb./in.  
Rockwell Hardness ASTM-D785 M or R scale  

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F  
Max. Continuous Use Temp. Nytef std. °F  
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  
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

 

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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