VESTAKEEP® i2 G

Technical Documents

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.

Details

Product Type

Polymer > Poly Ether Ether Ketone

Applications

Polymers industry
Polymers industry > Injection moulding

Industry

Medical purpose

Producer

Evonik

Supplier

Evonik Iran

Advantages
  • The extra high purity
  • extended quality
  • biocompatibility
  • permanent tissue/bone contact
  • injection molding processing technologies due to its good flowability
Other Applications

permanent implants

Handling

VESTAKEEP® i2 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
Density 1.30 g/ml ISO 1183@ Temperature 23°C
MVR 70 ml/10min ISO 1133 @Load 5.0 kg,Temperature 380 °C
Thermal Properties
Heat Deflection temperature 150 ºC ISO 75-1/2;at 1.8 MPa
Heat Deflection temperature 205 ºC ISO 75-1/2;at 0.45 MPa
Melting point 340 ºC ISO 11357; DSC; 2nd heating
Vicat softening temperature 310 ºC 50N; ISO 306
Vicat softening temperature 335 ºC 10N; ISO 306
Mechanical Properties
Tensile Stress at yield-MD 100 MPa 23°C/ 50% r.h.;ISO 527-1/2
Strain at break-MD >20 % 23°C/ 50% r.h.;ISO 527-1/2
Elongation at yield 5.0 % 23°C/ 50% r.h.;ISO 527-1/2
Tensile modulus-MD 3700 MPa ISO 527-1/2
Charpy Impact Strength (notched) 6 kJ/m² ISO 179/1eA@ Temperature -30°C
(Charpy Impact Strength(unnotched kJ/m² ISO 179/1eU @ Temperature 23°C ; 50% r.h.
Tensile Stress at break-MD >70 MPa 23°C/ 50% r.h.;ISO 527-1/2
Charpy Impact Strength (notched) 6 kJ/m² ISO 179/1eA@ Temperature 23°C ; 50% r.h.
(Charpy Impact Strength(unnotched kJ/m² ISO 179/1eU @ Temperature -30°C
Chemical Properties
Moisture absorption 0.12 % ISO 62@ Temperature 23°C ; 50% r.h.
Water absorption 0.4 % ISO 62;at saturation