VESTAKEEP® DC4430 R

Technical Documents

VESTAKEEP® DC4430 R is a white pigmented polyether ether ketone (PEEK) grade that is especially designed for removable and fixed dentures, crowns and bridges.

Details Compound

Product Type

Polymer > Poly Ether Ether Ketone

Industry

Medical purpose

Producer

Evonik

Supplier

Evonik Iran

Advantages
  • contains 6% Barium sulphate to render it x-ray opaque
  • superior mechanical, thermal and chemical resistance
  • biocompatibility
  • permanent mucous membrane contact
Other Applications

removable and fixed dentures
crowns
bridges

Handling

VESTAKEEP® DC4430 R has been tested following ISO 10993-1.

Technical data

Quantity Value Unit Comment
Physical Properties
Density 1.51 g/ml ISO 1183@ Temperature 23°C
Thermal Properties
Vicat softening temperature 305 ºC 50N; ISO 306
Heat Deflection temperature 210 ºC ISO 75-1/2;at 0.45 MPa
Heat Deflection temperature 155 ºC ISO 75-1/2;at 1.8 MPa
Melting point ºC ISO 11357; DSC; 2nd heating
Vicat softening temperature 335 ºC 10N; ISO 306
Thermal Expansion 45 µm/m-°C ISO 11359 @Temperature 23.0 -55.0 °C
Mechanical Properties
Flexural strength 178 MPa ISO 178@ Temperature 23°C ; 50% r.h.
Flexural modulus-MD 4700 MPa ISO 178@ Temperature 23°C ; 50% r.h.
Tensile Stress at yield-MD 110 MPa 23°C/ 50% r.h.;ISO 527-1/2
Strain at break-MD >10 % 23°C/ 50% r.h.;ISO 527-1/2
Tensile modulus-MD 5100 MPa ISO 527-1/2
(Izod impact strength(notched 5.4 kJ/m² ISO 180@Temperature 23°C;50% r.h.
Elongation at yield 4.2 % 23°C/ 50% r.h.;ISO 527-1/2
Chemical Properties
Water absorption 0.4 % ISO 62;at saturation