Kepstan® 6003

Nombres alternativos y comerciales
PEKK
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Description

KEPSTAN® PEKK resin is a high performance thermoplastic material, based on PolyEtherKetoneKetone (PEKK) highly stable chemical backbone. KEPSTAN® PEKK is a unique member of the PAEK family that incorporates distinctive structural features that allow for exceptional possibilities in the control of crystallinity. These features include a low Ether/Ketone ratio and a copolymer structure incorporating Terephtalic and Isophtalic moieties.

The 6000 Series represents the pseudo-amorphous products of the KEPSTAN® family, offering the lowest melting point and the slowest crystallization behavior, while keeping Tg close to 160°C. These properties allow for lower processing temperatures (as low as 320-330°C), and lead to glassy or semi crystalline structures, depending on processing technologies and cooling conditions.

KEPSTAN® 6000 Series includes a medium flow grade, KEPSTAN® 6002, and a high flow grade, KEPSTAN® 6003, both unfilled PEKK resins designed to meet the requirements of a broad range of processing technologies, including among others extrusion, calendering, thermoforming, injection molding, fiber impregnation, rotomolding, powder coating, bonding and welding.

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

Los datos sobre este material han sido proporcionados por Arkema Technical Polymers.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyValueConditionTesting Standard

Densidad

1.27 g/cm³

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dry

ISO 1183

Índice límite de óxigeno

38 %

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dry

ISO 4589-1/-2

Mecánica

PropertyTemperatureValueConditionTesting Standard

Módulo elástico

2.9 GPa

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dry

ISO 527-1/-2

Resistencia al choque, ensayo Charpy entallado

-30 °C

4.5 kJ/m²

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dry

ISO 179/1eA

23 °C

5 kJ/m²

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dry

ISO 179/1eA

Resistencia al choque, ensayo Charpy no entallado

No Break at 23 and -30°C

dry

ISO 179/1eU

Aplicaciones térmicas

PropertyValueConditionTesting StandardPressure

Temperatura de flexión bajo carga

139 °C

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dry

ISO 75-1/-2

2 MPa

Eléctrico

PropertyValueConditionFrequencyTesting Standard

Constante dieléctrica

2.5 [-]

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dry

1MHz

IEC 60250

Rheological Properties

PropertyValueConditionTesting StandardComment

Velocidad de flujo del volumen derretido

12 cm³/10min

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dry

ISO 1133

380°C/1kg

Technological properties

Property
Application areas

Connectors,Fittings, Components, and Injection Molded Parts,Packaging / Film,Connectors E&E,Performance Wire,Wire and Cables,Natural Gas Distribution- Fittings

Processing methods

Injection Molding:

  • Drying temperature and time: 120°C for 6 to 8 hours
  • Processing temperature: 320 – 360°C
  • Temperature settings - Injection: Rear 300°C / Center 315°C / Front 320°C / Nozzle 330°C
  • Mold temperature (below Tg in any case): 80 - 120°C
  • Temperature settings - Extrusion Zones 1/2/3/4: 290°C/ 320°C/ 330°C/ 320°C Die: 320°C