AvaSpire® PAEK

Customized High-Performance Polyketones

AvaSpire® PAEK (polyaryletherketone) is a family of high-performance polyketones tailored to fill cost and performance gaps between PEEK and other high-performance polymers. For example, ductility and toughness can be significantly improved versus comparable grades of PEEK, delivering 20% higher tensile elongation at yield and doubled tensile elongation at break values.

Depending on the grade, AvaSpire® PAEK outperforms comparable grades of PEEK.

  • Higher stiffness from 150 °C to 190 °C (302 °F to 374 °F)
  • Improved ductility and toughness
  • Equal or better chemical resistance
  • UL-94 V0 rating at 0.8 mm
  • Comparable strength and stiffness at up to 30% lower cost
  • Excellent aesthetics and colorability

Choose the Performance You Need

AvaSpire® PAEK is available in

  • Neat grades (lubricated, non-lubricated)
  • Glass fiber and carbon fiber reinforced grades (structural grades)
  • Wear resistant SL grades (lubricated, non-lubricated, load bearing)

Glass fiber and carbon fiber reinforced KetaSpire® PEEK grades deliver the greater mechanical robustness required for structural applications.

Comparison of neat grades

Ultra-Polymers_PAEK_comparison_PEEK-Neat

Comparison of glass fiber reinforced grades

Ultra-Polymers_PAEK_comparison_PEEK-GF 

Comparison of carbon fiber reinforced grades

Ultra-Polymers_PAEK_comparison_PEEK-CF

Higher stiffness than PEEK from 150 °C to 200 °C

AvaSpire® AV-651 has a modulus twice that of unfilled PEEK at 180 °C (356 °F). AvaSpire® AV-651 GF30 provides a modulus that is 30% higher than comparable PEEK material at the same temperature.

Comparison of mechanical performance at high temperatures

CurveData_Torsional-DMA_PAEK-PEEK_neat 

Torsional DMA comparison of glass fiber reinforced grades

CurveData_Torsional-DMA_PAEK-PEEK_GF

Unparalleled Combination of Stiffness and Strength

AvaSpire® AV-651 exhibits 20% higher elongation at yield than of unfilled PEEK. Tensile elongations at break values are at least twice as high as comparable PEEK grades.

Comparison of ductility and toughness properties [ASTM test method]

BarGraph_Ductility-toughness_PAEK-PEEK

Comparable Strength, Stiffness and Chemical Resistance at Lower Cost

AvaSpire® AV-722 delivers comparable strength and stiffness to unfilled PEEK at up to 30% lower cost, bridging the gap between PEEK and semi-crystalline polymers like PPS (polyphenylsulfone) and PPA (polyphthalamide).

Comparison of mechanical properties

BarGraph_Mechanical-properties_PAEK-PEEK

Frequently Asked Questions

What is AvaSpire® PAEK?

PAEK is the acronym for polyaryletherketone. AvaSpire® PAEK is a versatile family of customized aromatic polyketones designed to fill cost and performance gaps between PEEK and other high-performance polymers.

What advantages does AvaSpire® PAEK offer over standard PEEK?

AvaSpire® PAEK products are customized products that provide specific solutions for components used in Automotive, Aerospace, Oil & Gas, Healthcare and other demanding industries. Depending on the grade, AvaSpire® PAEK shows equivalent performance to PEEK while providing additional properties such as higher ductility, elongation, and retention of properties at high temperatures.

For more information on AvaSpire® PAEK contact your Solvay Specialty Polymers Technical Marketing Representative to discover how AvaSpire® PAEK can best serve your needs.

What are the differences between the various AvaSpire® PAEK product families?

Differences in these families are a result of their specific polymer chemistries.

  • AvaSpire® AV-600 series products offer improved ductility and higher flexural and torsional modulus between 150°C (300°F) and 190°C (375°F) than comparable PEEK grades. They have lower crystallinity than PEEK, which gives them better dimensional stability and lower warpage.
  • AvaSpire® AV-700 series products fill the cost/performance gap between ultra-performance crystalline polymers like PEEK and high-performance crystalline polymers like liquid crystal polymers (LCP), polyphenylenesulfide (PPS), and polyphthalamide (PPA).
  • AvaSpire® 800 series products offer better retention of mechanical properties than comparable grades of PEEK at high temperatures, specifically in the range of 150°C to 240°C (300°F to 465°F). They also display lower crystallinity than PEEK, leading to reduced warpage and improved dimensional stability while presenting superior processing characteristics over PEK and PEKKEK.

More information: Design and Processing guide.

What does the AvaSpire® product portfolio include?

Solvay’s AvaSpire® PAEK portfolio is based on different resin melt flows of AV-600, AV-700 and AV-800 product families and includes:

  • Neat grades
  • Glass fiber GF and carbon fiber CF reinforced grades
  • Wear resistant SL grades (lubricated and non-lubricated)

More information: Design and Processing guide.

How can I obtain Material Safety Datasheets of AvaSpire® PAEK grades?

Material Safety Datasheet can be obtained by contacting your Specialty Polymers Representative.

What is the natural color of AvaSpire® PAEK material?

The natural color of AvaSpire® PAEK is light beige.

Does AvaSpire® PAEK contain any halogenated flame retardant?

Since PAEK is inherently flame retardant, KetaSpire® PEEK compounds can achieve a UL-94 V0 rating down to a 0.8-mm thickness without the use of flame retardant additives.

For more information: UL rating certifications.

What material certifications do Solvay AvaSpire® resins have?

AvaSpire® PAEK resins comply with the requirements of several governmental and/or regulatory agencies. Certification of every AvaSpire® grade is generally mentioned on individual Technical Datasheets. As regulatory action is an ongoing activity, please contact your Specialty Polymers Technical Marketing Representative for the latest information regarding a specific application requiring agency approval or recognition.

Does AvaSpire® PAEK absorb moisture?

While the mechanical properties of metals are essentially unaffected by short-term exposure to water, the response of plastics varies considerably and is related to the polymer’s chemistry. PEEK resins do not absorb much water, and the water that is absorbed has very little effect on the material’s mechanical properties. Typical percent change in weight associated to water absorption after 24h exposure is lower than 0.20%.

More information: Design and Processing guide.

What about the AvaSpire® PAEK resistance to chemicals?

AvaSpire® polyaryletherketone is compatible with a wide variety of chemicals and end-use environments and is considered to be one of the most chemically-resistant polymers commercially available. This feature along with material’s exceptional heat stability has made it attractive for applications in aerospace, automotive, chemical processing, medical, oil and gas, electrical, electronic, energy, and other industries. Results of several testing programs confirm the material’s broad chemical and environmental resistance in media, such as organic solvents, acids and bases, industrial fluids, aircraft fluids, automotive fluids, sterilization conditions or outdoor weathering.

AvaSpire® PAEK is compatible with a wide variety of chemicals found in severe end-use environments, and it is considered one of the most chemically-resistant polymers commercially available. This feature along with its exceptional heat stability makes PAEK particularly suited for critical applications in aerospace, automotive, chemical processing, healthcare, oil and gas, electrical, electronic, energy, and more.

Results of several testing programs confirm the material’s excellent resistance to organic solvents, acids and bases, industrial fluids, aircraft fluids, automotive fluids, various sterilization methods and outdoor weathering. Samples of pellets and molded shapes are available for customers to use for testing specific to their application and end-use environment.

Please contact your Specialty Polymers Technical Marketing Representative for the latest information or other chemicals. Samples of pellets and several shapes of molded articles can be supplied for testing purposes.

More information: Design and Processing guide.

Do you have FDA or EU food approved AvaSpire® PEEK grades?

Several AvaSpire® PAEK grades comply with regulation 21 CFR177.2415; therefore, it is permitted by FDA for use as articles or components of articles intended for repeated use in contact with all types of food.

Several grades of AvaSpire® PAEK are also compliant with the EU directive 10/2011. Information on current listings for specific grades is available from your Specialty Polymers Technical Marketing Representative.

Where can I get stock shapes made from AvaSpire® PAEK for prototype development?

For KetaSpire® PEEK and AvaSpire® PAEK, Solvay offers a global channel of stock shapes producers and distributors. Contact your Specialty Polymers Technical Marketing representative to find the partner to best address your needs.

Can AvaSpire® PAEK degrade during processing?

Nearly all polymeric materials exhibit some loss of performance properties after long-term exposure to elevated temperatures. Some of the property changes are the result of thermo-oxidative degradation, but not all property changes are the result of degradation.

TGA data clearly demonstrate that AvaSpire® PAEK is thermally stable to temperatures well above those recommended for processing the material or those expected in service.

From a processing standpoint, it is not good practice to allow resin to stagnate for prolonged periods of time at molding temperatures. Solvay recommendations are the following:

  • If the shut-down is of a short duration (one hour or less), empty the barrel and purge several shots before restarting.
  • For shut-downs of several hours, the barrel temperatures should be reduced to 338°C (640°F) or less. The barrel should be heated to normal processing temperatures and purged with the resin before continuing.
  • For extended shutdowns, empty the barrel of resin, purge completely with adequate compounds, turn off the barrel heaters, and allow the machine to cool to room temperature.

More information: Design and Processing guide.

Is there a way to measure the polymer degradation?

IV, multi-shear viscosity and DSC measurements are commonly used to determine the level of polymer degradation. For more information or assistance, contact your Specialty Polymers Technical Marketing representative.

What is the recommended moisture content for processing AvaSpire® PAEK compound?

The maximum recommended moisture level for processing AvaSpire® PAEK depends on the processing technology.

  • For injection-molding, maximum recommended moisture level is 500 ppm. Moisture levels can be checked using a conventional loss in weight analyzer. The test conditions for analysis should be 200°C (400°F) for 10 minutes or until moisture is no longer evolved. AvaSpire® PAEK resins must be dried before processing. This can be accomplished in a desiccated oven maintaining a dew point of -40°C (- 40°F) at 150°C (302°F) for at least four hours.
  • For extrusion, maximum recommended moisture level is 200 ppm. Since extrusion is a low-pressure forming process, resin that is not dried properly can result in a foamed extrudate.

More information: Design and Processing guide.

How can I determine if my AvaSpire® PAEK part was molded under proper processing conditions?

There are several test methods you can use to determine the quality of a molded AvaSpire® PAEK part. As an example, a DSC (Differential Scanning Calorimeter) analysis is frequently used to measure the crystallinity of a molded part. Also, a comparison of the IV (Inherent Viscosity) or VN (Viscosity Number) of a molded part to that of dried AvaSpire® PAEK pellets is a quick and robust method to determine if the polymer has been degraded or damaged during the molding process. Several other investigations and tests can be performed on molded parts in our specialized labs. Please consult your Specialty Polymers technical marketing representative for further information or assistance.

More information: Design and Processing guide.

How to purge the AvaSpire® PAEK from the from the machine’s barrel if production is interrupted?

Because it is not good practice to allow resin to stagnate during processing for prolonged periods of time at molding temperatures, Solvay recommends the following:

  • If the shut-down is for one hour or less, empty the barrel and purge several shots before restarting.
  • If the shut-down is for more than one hour, the barrel temperatures should be reduced to 338°C (640°F) or less. The barrel should be heated to normal processing temperatures and purged with the resin before continuing.
  • For extended shutdowns, empty the barrel of resin, purge completely with appropriate and adequate compounds, turn off the barrel heaters, and allow the machine to cool to room temperature.

More information: Design and Processing guide.

How can I obtain AvaSpire® PAEK resin pellets and molded samples for testing purposes?

Solvay provides a wide range sample pellets and molded shapes for testing purposes. Stock shapes or other thick-walled, semi-fabricates for machining prototype parts are not offered due to the complexity of the practical aspects of cooling such parts fast enough to prevent the material from being degraded at the inner core of thick sections. Please consult your Specialty Polymers Technical Marketing representative for further information.

Does Solvay have the material characterization required for conducting a Moldflow simulation?

Solvay’s most commonly used AvaSpire® PAEK grades are fully characterized to run FEA analyses. Data are available for most commercial rheological software. For specific customer requests, please consult your Specialty Polymers Technical Marketing representative for further information.

What type of FEA calculation can Solvay Specialty Polymers perform for their customers?

Quasi-static, dynamic, anisotropic (Digimat) analyses are a daily routine for the global CAE team. For specific projects, impact, fatigue and creep calculations can also be evaluated. Please consult your Specialty Polymers Technical Marketing representative for further information.