VESTAKEEP® i4 G

Technical Documents

VESTAKEEP® i4 G is a natural colored, high viscosity polyether ether ketone (PEEK) that is especially designed for long term implantable medical devices. This grade is often used for extrusion processing technologies.

Details

Product Type

Polymer > Poly Ether Ether Ketone

Applications

Polymers industry > Extrusion pipe tube
Polymers industry > Extrusion profiles sheet
Polymers industry

Industry

Medical purpose

Producer

Evonik

Supplier

Evonik Iran

Advantages
  • The extra high purity
  • extended quality
  • biocompatibility
  • permanent tissue/bone contact
  • extrusion processing technologies
Other Applications

permanent implants

Handling

VESTAKEEP® i4 G has been tested following ISO 10993-1.
complies ASTM F2026 “Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications”.
is supplied as cylindrical pellets.

Technical data

Quantity Value Unit Comment
Physical Properties
MVR 12 ml/10min ISO 1133 @Load 5.0 kg,Temperature 380 °C
Density 1.30 g/ml ISO 1183@ Temperature 23°C
Thermal Properties
Melting point 340 ºC ISO 11357; DSC; 2nd heating
Heat Deflection temperature 205 ºC ISO 75-1/2;at 0.45 MPa
Heat Deflection temperature 150 ºC ISO 75-1/2;at 1.8 MPa
Vicat softening temperature 335 ºC 10N; ISO 306
Vicat softening temperature 305 ºC 50N; ISO 306
Mechanical Properties
Charpy Impact Strength (notched) 6 kJ/m² ISO 179/1eA@ Temperature -30°C
Elongation at yield 5.0 % 23°C/ 50% r.h.;ISO 527-1/2
Tensile Stress at yield-MD 96 MPa 23°C/ 50% r.h.;ISO 527-1/2
Tensile Stress at break-MD >70 MPa 23°C/ 50% r.h.;ISO 527-1/2
(Charpy Impact Strength(unnotched kJ/m² ISO 179/1eU @ Temperature 23°C ; 50% r.h.
(Charpy Impact Strength(unnotched kJ/m² ISO 179/1eU @ Temperature -30°C
Charpy Impact Strength (notched) 8 kJ/m² ISO 179/1eA@ Temperature 23°C ; 50% r.h.
Tensile modulus-MD 3500 MPa ISO 527-1/2
Strain at break-MD >20 % 23°C/ 50% r.h.;ISO 527-1/2
Chemical Properties
Water absorption 0.4 % ISO 62;at saturation
Moisture absorption 0.12 % ISO 62@ Temperature 23°C ; 50% r.h.