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This is the free Material Data Center Datasheet of Kepstan® 7002 - PAEK - ARKEMA

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Product Texts

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.

Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 35 cm³/10min ISO 1133
Temperature 380 °C -
Load 5 kg -
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 3800 MPa ISO 527
Yield stress 110 MPa ISO 527
Yield strain 5.2 % ISO 527
Strain at break 20 % ISO 527
Flexural modulus, 23°C 3900 MPa ISO 178
Charpy impact strength, +23°C 62 kJ/m² ISO 179/1eU
Charpy impact strength, -30°C 41 kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 4.5 kJ/m² ISO 179/1eA
Charpy notched impact strength, -30°C 4.5 kJ/m² ISO 179/1eA
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 331 °C ISO 11357-1/-3
Glass transition temperature, 10°C/min 162 °C ISO 11357-1/-2
Temp. of deflection under load, 1.80 MPa 172 °C ISO 75-1/-2
Burning behav. at thickness h V-0 class IEC 60695-11-10
Thickness tested 0.8 mm -
Oxygen index 35 % ISO 4589-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 1MHz 2.6 - IEC 62631-2-1
Electric strength 84 kV/mm IEC 60243-1
ASTM Data
Surface Resistivity >1E15 Ohm ASTM D 257
Volume Resistivity >1E15 Ohm*cm ASTM D 257
Other propertiesValueUnitTest Standard
Water absorption 0.5 % Sim. to ISO 62
Humidity absorption 0.1 % Sim. to ISO 62
Density 1290 kg/m³ ISO 1183
Characteristics
Processing
Injection Molding, Fiber Extrusion, Profile Extrusion, Sheet Extrusion, Other Extrusion, Transfer Molding, Thermoforming
Delivery form
Pellets, Powder
Special Characteristics
Flame retardant
Chemical Resistance
General Chemical Resistance
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Other text information
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
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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