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This is the free Material Data Center Datasheet of VESTAKEEP® 4000 G BK - PEEK - Evonik Operations GmbH

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Product Texts
High viscosity, unreinforced polyether ether ketone

VESTAKEEP® 4000 G BK is a high viscosity, unreinforced polyether ether ketone for injection molding and extrusion.

The semi-crystalline polymer features superior, thermal and chemical resistance. Parts made from VESTAKEEP® 4000 G BK are of low flammability.

VESTAKEEP® 4000 G BK can be processed by common machines for thermoplastics.

We recommend a melt temperature between 380°C and 400°C during the injection molding process. The mold temperature should be within a range of 160°C to 200°C, preferably 180°C.

VESTAKEEP® 4000 G BK is supplied as granules in 25 kg boxes with moisture-proof polyethylene liners.

Inside the original and undamaged packaging, the product has a shelf life of at least 2 years when stored in dry rooms at temperatures not exceeding 30°C.

For information about processing VESTAKEEP® 4000 G BK, please follow the general recommendations in our brochure “VESTAKEEP® PEEK Processing Guidelines“.

The results shown have been generated from a low number of production lots. Therefore, they are preliminary and not yet the result of a statistical evaluation. Therefore they must not be used to establish specifications.

Pigmentation may affect the values.

FOR FURTHER INFORMATION PLEASE CONTACT US AT EVONIK-HP@EVONIK.COM OR VISIT OUR PRODUCT AT WWW.INDUSTRIAL.VESTAKEEP.COM
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 10 cm³/10min ISO 1133
Temperature 380 °C -
Load 5 kg -
Molding shrinkage, parallel 0.9 % ISO 294-4, 2577
Molding shrinkage, normal 1.1 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 3500 MPa ISO 527
Yield stress 95 MPa ISO 527
Yield strain 5 % ISO 527
Nominal strain at break 30 % ISO 527
Charpy impact strength, +23°C N kJ/m² ISO 179/1eU
Charpy impact strength, -30°C N kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 7 kJ/m² ISO 179/1eA
Type of failure C - -
Charpy notched impact strength, -30°C 6 kJ/m² ISO 179/1eA
Type of failure C - -
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 340 °C ISO 11357-1/-3
Vicat softening temperature, B 305 °C ISO 306
Coeff. of linear therm. expansion, parallel 60 E-6/K ISO 11359-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 1MHz 2.8 - IEC 62631-2-1
Comparative tracking index 200 - IEC 60112
Other propertiesValueUnitTest Standard
Density 1300 kg/m³ ISO 1183
Characteristics
Processing
Injection Molding, Other Extrusion
Delivery form
Pellets, Black
Special Characteristics
Flame retardant
Features
Thermal Stability
Chemical Resistance
General Chemical Resistance
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
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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