VESTAKEEP® i4 R

Technical Documents

VESTAKEEP® i4 R is a rod stock based on implantable grade neat polyether ether ketone resin VESTAKEEP® i4 G.

Details

Product Type

Polymer > Poly Ether Ether Ketone

Applications

Polymers industry

Industry

Medical purpose

Producer

Evonik

Supplier

Evonik Iran

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

permanent implants

Handling

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

Technical data

Quantity Value Unit Comment
Physical Properties
Density 1.30 g/ml ISO 1183@ Temperature 23°C
Crystallization temperature 285 ºC Recrystallization temperature; ISO 11357; DSC
Thermal Properties
Glass transition Temperature 145 ºC 2nd heating, onset; ISO 11357; DSC
Glass transition Temperature 155 ºC 2nd heating, midpoint; ISO 11357; DSC
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 155 ºC ISO 75-1/2;at 1.8 MPa
Mechanical Properties
Elongation at yield 4.8 % 23°C/ 50% r.h.;ISO 527-1/2
(Izod impact strength(notched 5.5 kJ/m² ISO 180/1eA@Temperature 23°C;50% r.h.
Tensile modulus-MD 4000 MPa ISO 527-1/2
Strain at break-MD >20 % 23°C/ 50% r.h.;ISO 527-1/2
Tensile Stress at yield-MD 109 MPa 23°C/ 50% r.h.;ISO 527-1/2
Flexural modulus-MD 4050 MPa ISO 178
Flexural strength 165 MPa ISO 178
Tensile Stress at break-MD >70 MPa 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.
Electrical Properties
Relative permittivity 2.8 IEC 60250; at 10 kHz
Dielectric Strength 21 Kv/mm IEC 60423-1;K20/K20
Relative permittivity 2.8 IEC 60250; at 50 Hz