Kepstan® 8010C40

Alternative and trade names
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KEPSTAN® PEKK resin is a high performance thermoplastic material, based on PolyEtherKetoneKetone (PEKK) highly stable chemical backbone. Its semi crystalline structure in solid state offers an outstanding combination of mechanical and thermal strength together with chemical and fire resistance. KEPSTAN® 8010C30 is a carbon fiber reinforced compound, based on the 8000 series of KEPSTAN® resins. This series offers the highest glass transition temperature and the highest crystallinity, leading to the best tensile and compression strengths among the different series of KEPSTAN® PEKK copolymers.

KEPSTAN® 8010C30 is a low flow grade, suitable for extrusion, compression and injection molding.

KEPSTAN® 8010C30 is available in pellet form, and standard packaging is 10 kg boxes.

This material data has been provided by Arkema Technical Polymers.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts



PropertyValueConditionTesting Standard


1.45 g/cm³

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ISO 1183


PropertyTemperatureValueConditionTesting Standard

Impact strength, Charpy notched

23 °C

6 kJ/m²

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ISO 179/1eA

Impact strength, Charpy unnotched

23 °C

34 kJ/m²

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ISO 179/1eU

Rheological Properties

PropertyValueConditionTesting StandardComment

Melt volume-flow rate

18 cm³/10min

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ISO 1133


Technological properties

Application areas

Fittings, Components, and Injection Molded Parts,Chemical Process Industry,Chemical Process Industry - Injection Molding,Chemical Process Industry - Stock Shapes


40% Carbon Fiber

Processing methods

Injection Molding:

  • Drying temperature and time: 120°C for 6 to 8 hours
  • Processing temperature: 370 – 380°C
  • Temperature settings - Injection: Rear 350°C / Center 375°C / Front 370°C / Nozzle 385°C
  • Mold temperature (to facilitate filling of the cavity and polymer crystallization): 230 - 240°C
  • Temperature settings - Extrusion Zones 1/2/3/4: 355°C/ 370°C/ 385°C/ 385°C Die: 370°C