VESTAKEEP® DC4470 G

VESTAKEEP® DC4470 G by Evonik is a gingiva-colored, high viscosity, high performance polyether ether ketone (PEEK) grade (supplied as cylindrical pellets). It can be processed by common melt processing techniques like injection molding and extrusion.

Details

Producer
Supplier
Advantages
  • high performance
  • biomaterial
  • superior mechanical-, thermal- and chemical resistance
  • outstanding wear comfort
  • excellent biostability
  • shock absorption capability
Other Applications

Healthcare / Medical > Dental prosthesis

Technical data

Quantity Value Unit Comment
Appearance Properties
Appearance Colored gums
Physical state Pill shape
Physical Properties
MFI 14.96 g/10min 380°C/5 kg- ISO 1133
Density 1.36 g/ml ISO 1183
Melting range 380 - 400 ºC
Thermal Properties
Thermal Expansion 0.45 µm/m-°C 10-4K-1
Vicat softening temperature 305 ºC ISO 306
Heat Deflection temperature 155 ºC ISO 75-1
Vicat softening temperature 335 ºC ISO 306
Heat Deflection temperature 210 ºC ISO 75-2
Melting point 340 ºC ISO 11357, DSC (2nd heating)
Mechanical Properties
Tensile modulus-MD 3600 MPa
(Charpy Impact Strength(unnotched kJ/m² ISO 179/1eU
Strain at break-MD >10 % ISO 527-1/ ISO 527-2, 23°C/ 50% R.H.
Charpy Impact Strength (notched) 7.5 kJ/m² ISO 179/1eA
Tensile Stress at yield-MD 95 MPa ISO 527-1/ ISO 527-2, 23°C/ 50% R.H.
Chemical Properties
Water absorption 0.4 % ISO 62
Process Properties
Mold Temperature 160 - 200 ºC