Evonik · PEEK
VESTAKEEP i4 G
Medical Implant Grade
An ultra-high purity PEEK specifically designed and certified for long-term implantable medical devices.
Manufacturer
Evonik
Base polymer
PEEK
Trade family
VESTAKEEP
Status
active
Key specs
Density
1.30 g/cm³
Mold shrinkage
1.0 %
MFI
~5 g/10 min (380°C/5kg)
Tensile strength
100 MPa
Flexural modulus
4.2 GPa
Izod impact
45 J/m (Notched)
HDT
152 °C (1.8 MPa)
UL94
V-0
Color
Natural/Beige
Fillers
None
REACHRoHS
Compatible processes
Injection MoldingExtrusion
Technical properties
Indicative values. Always consult the manufacturer's official datasheet before specification.
VESTAKEEP i4 G equivalents
No verified equivalents indexed yet.
Typical applications
Permanent medical implantsSpinal cagesBone screwsDental abutments
Base polymer
PEEK
See the full PEEK technical sheet
Manufacturer
Evonik
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