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This is the free Material Data Center Datasheet of VESTAKEEP® i2 G - PEEK - Evonik Operations GmbH

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Product Texts
Implantable grade polyether ether ketone resin for permanent implants

VESTAKEEP® i2 G is a natural colored, standard viscosity polyether ether ketone (PEEK) that is especially designed for long term implantable medical devices. This grade is often used for injection molding processing technologies due to its good flowability.

Proven Biocompatibility of VESTAKEEP® i-Grades
The extra high purity and extended quality measures make VESTAKEEP® i-Grade materials an excellent choice for permanent implants.

For VESTAKEEP® i2 G, biocompatibility has been tested following ISO 10993-1 recommendations for permanent tissue/bone contact and USP Class VI.

VESTAKEEP® i2 G complies ASTM F2026 “Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications”.

A summary of biocompatibility test results is available upon request.

Biocompatibility tests available for i2 G


Processing of VESTAKEEP® i-Grades
VESTAKEEP® i2 G can be processed by common melt processing techniques like injection molding and extrusion.

We recommend a melt temperature between 360°C and 380°C during the injection molding process. The mold temperature should be within a range of 160°C to 200°C, preferably 180°C.

Our technical experts would appreciate to give you support regarding the special requirements for the processing of VESTAKEEP® i2 G.

Delivery of VESTAKEEP® i-Grades
VESTAKEEP® i2 G is supplied as cylindrical pellets in 10 kg boxes with moisture-proof polyethylene liners.


FOR FURTHER INFORMATION PLEASE CONTACT US AT EVONIK-HP@EVONIK.COM
OR VISIT OUR PRODUCT AT  WWW.EVONIK.COM/MEDICAL-TECHNOLOGY
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 68 cm³/10min ISO 1133
Temperature 380 °C -
Load 5 kg -
Molding shrinkage, parallel 1.1 % ISO 294-4, 2577
Molding shrinkage, normal 1.1 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 3700 MPa ISO 527
Yield stress 98 MPa ISO 527
Yield strain 5 % ISO 527
Nominal strain at break 20 % 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 6 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 342 °C ISO 11357-1/-3
Glass transition temperature, 10°C/min 150 °C ISO 11357-1/-2
Temp. of deflection under load, 1.80 MPa 150 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 205 °C ISO 75-1/-2
Vicat softening temperature, B 310 °C ISO 306
Coeff. of linear therm. expansion, parallel 60 E-6/K ISO 11359-1/-2
Oxygen index 38 % ISO 4589-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 2.8 - IEC 62631-2-1
Relative permittivity, 1MHz 2.8 - IEC 62631-2-1
Dissipation factor, 1MHz 50 E-4 IEC 62631-2-1
Volume resistivity >1E13 Ohm*m IEC 62631-3-1
Comparative tracking index 200 - IEC 60112
Other propertiesValueUnitTest Standard
Water absorption 0.4 % Sim. to ISO 62
Humidity absorption 0.12 % Sim. to ISO 62
Density 1300 kg/m³ ISO 1183
Characteristics
Processing
Injection Molding, Other Extrusion
Delivery form
Pellets, Natural Color
Certifications
Medical Grade, Biocompatibility ISO 10993, US Pharmacopeia Class VI Approved
Applications
Medical
Regional Availability
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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