VESTAKEEP® DC4430 G

Technical Documents

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

Details Compound

Product Type

Polymer > Poly Ether Ether Ketone

Applications

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

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
  • can be processed by common melt processing techniques like injection molding and extrusion
Other Applications

removable and fixed dentures
crowns
bridges

Handling

VESTAKEEP® DC4430 G has been tested according to ISO 10993-1.
VESTAKEEP® DC4430 G is supplied as cylindrical pellets in 25kg boxes with polyethylene liners.

Technical data

Quantity Value Unit Comment
Physical Properties
Density 1.50 g/ml ISO 1183@ Temperature 23°C
Melting range 380 - 400 ºC during the injection molding process
MVR 9.5 ml/10min ISO 1133 @Load 5.0 kg,Temperature 380 °C
Thermal Properties
Thermal Expansion 45 µm/m-°C ISO 11359 @Temperature 23.0 -55.0 °C
Heat Deflection temperature 210 ºC ISO 75-1/2;at 0.45 MPa
Vicat softening temperature 305 ºC 50N; ISO 306
Vicat softening temperature 335 ºC 10N; ISO 306
Heat Deflection temperature 155 ºC ISO 75-1/2;at 1.8 MPa
Melting point ºC ISO 11357; DSC; 2nd heating
Mechanical Properties
Elongation at yield 4.8 % 23°C/ 50% r.h.;ISO 527-1/2
Charpy Impact Strength (notched) 6.8 kJ/m² ISO 179/1eA@Temperature 23°C;50% r.h.
(Charpy Impact Strength(unnotched kJ/m² ISO 179/1eU@Temperature 23°C;50% r.h.
Tensile modulus-MD 4100 MPa ISO 527-1/2
Strain at break-MD >10 % 23°C/ 50% r.h.;ISO 527-1/2
Tensile Stress at yield-MD 95 MPa 23°C/ 50% r.h.;ISO 527-1/2
Chemical Properties
Water absorption 0.4 % ISO 62;at saturation
Process Properties
Mold Temperature 160 - 200 ºC preferably 180°C