Kepstan® 7003

Alternative und Handelsbezeichungen
PEKK
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Description

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.

Among the KEPSTAN® family, the 7000 Series benefits uniquely from PEKK crystalline capabilities while reducing significantly processing temperatures compared to the more crystalline 8000 Series. With a reduced melting temperature (® decreased by 25°C) and a Tg above 160°C, the KEPSTAN® 7000 Series resins are highly enabling in the field of continuous fiber composites for structural applications.

KEPSTAN® 7000 Series includes a medium flow grade, KEPSTAN® 7002, and a high flow grade, KEPSTAN® 7003, both unfilled PEKK resins designed to meet the requirements of a broad range of melt processing technologies, including among others extrusion, injection molding, fiber impregnation, consolidation and composite forming technologies.

KEPSTAN® PEKK resin is available in pellet form and in powder form with different particle sizes.Standard packaging includes 20 kg boxes for pellets and 10 kg boxes for powders.

Diese Materialdaten wurden von Arkema Technical Polymers zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

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Eigenschaften

Allgemein

PropertyValueConditionTesting Standard

Dichte

1.29 g/cm³

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dry

ISO 1183

Sauerstoffindex

35 %

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dry

ISO 4589-1/-2

Mechanisch

PropertyTemperatureValueConditionTesting Standard

Elastizitätsmodul

3.8 GPa

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dry

ISO 527-1/-2

Schlagfestigkeit, Charpy gekerbt

-30 °C

4 kJ/m²

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dry

ISO 179/1eA

23 °C

4.5 kJ/m²

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dry

ISO 179/1eA

Schlagzähigkeit, Charpy ungekerbt

-30 °C

18 kJ/m²

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dry

ISO 179/1eU

23 °C

22 kJ/m²

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dry

ISO 179/1eU

Thermisch

PropertyValueConditionTesting StandardPressure

Wärmeformbeständigkeitstemperatur

172 °C

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dry

ISO 75-1/-2

2 MPa

Elektrisch

PropertyValueConditionFrequencyTesting Standard

Dielektrizitätskonstante

2.6 [-]

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dry

1MHz

IEC 60250

Rheological Properties

PropertyValueConditionTesting StandardComment

Schmelzvolumenflussrate

12 cm³/10min

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dry

ISO 1133

380°C/1kg

Technological properties

Property
Processing methods

Injection Molding:

  • Drying temperature and time: 150°C for 3 to 4 hours or 120°C for 6 to 8 hours
  • Processing temperature: 340 – 360°C
  • Temperature settings - Injection: Rear 320°C / Center 340°C / Front 350°C / Nozzle 360°C
  • Mold temperature (to facilitate filling of the cavity and polymer crystallization): 230 - 250°C
  • Temperature settings - Extrusion Zones 1/2/3/4: 290°C/ 320°C/ 350°C/ 340°C Die: 340°C