Kepstan® 8001

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.

The 8000 Series offers the highest glass transition temperature and the highest degree of crystallinity, leading to the best tensile and compression strengths among the wide range of PEKK copolymers within the KEPSTAN® product range.

KEPSTAN® 8000 Series includes a low flow grade, KEPSTAN® 8001, and a medium flow grade, KEPSTAN® 8002, both unfilled pure PEKK resins designed to meet the requirements of a broad range of melt processing technologies, including among others extrusion of stock shapes, tubes, films, extrusion compression, compression molding, injection molding of thick or complex and thin-walled parts.

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 StandardComment

Elastizitätsmodul

3.8 GPa

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dry

ISO 527-1/-2

Schlagfestigkeit, Charpy gekerbt

-30 °C

5 kJ/m²

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dry

ISO 179/1eA

23 °C

5 kJ/m²

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dry

ISO 179/1eA

Schlagzähigkeit, Charpy ungekerbt

-30 °C

50 kJ/m²

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dry

ISO 179/1eU

No Break at 23°C

Thermisch

PropertyValueConditionTesting StandardPressure

Wärmeformbeständigkeitstemperatur

175 °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

18 cm³/10min

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dry

ISO 1133

380°C/5kg

Technological properties

Property
Application areas

Metal Tube Coating,Chemical Process Industry,Chemical Process Industry - Injection Molding,Chemical Process Industry - Stock Shapes,Monofilaments,Connectors E&E,Performance Wire,Wire and Cables,Natural Gas Distribution- Fittings,Natural Gas Distribution- Pipes,Offshore Flexible Pipes

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: 375 – 385°C
  • Temperature settings - Injection: Rear 350°C / Center 375°C / Front 375°C / Nozzle 385°C
  • Mold temperature (to facilitate filling of the cavity and polymer crystallization): 220 - 240°C
  • Temperature settings - Extrusion Zones 1/2/3/4: 340°C/ 360°C/ 380°C/ 380°C Die: 370°C