VESTAKEEP? DC4420 G
Polyetheretherketone
White pigmented polyether ether ketone for dental applications
VESTAKEEP? DC4420 G is a white pigmented, high viscosity polyether ether ketone (PEEK) resin that is especially designed for removable and fixed dentures, crowns and bridges.
For VESTAKEEP? DC4420 G, biocompatibility has been tested according to ISO 10993-1 recommendations for permanent mucous membrane contact.
The compound composition is optimised for high biocompatibility and superior mechanical, thermal and chemical resistance.
VESTAKEEP? DC4420 G can be processed by common melt processing techniques like injection molding and extrusion.
Features | - Biocompatible，Chemical Resistant，Good Heat Resistance，High Viscosity
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Uses | |
Agency Ratings | |
Appearance | |
Forms | |
Processing Method | - Extrusion，Injection Molding
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Density (73°F) | 1.49 | g/cm3 | ISO 1183 |
Melt Volume-Flow Rate (MVR) (380°C/5.0 kg) | 0.580 | in3/10min | ISO 1133 |
Water Absorption (Saturation, 73°F) | 0.40 | % | ISO 62 |
Tensile Modulus | 595000 | psi | ISO 527-2 |
Tensile Stress (Yield) | 13800 | psi | ISO 527-2 |
Tensile Strain |
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| ISO 527-2 |
Yield | 4.8 | % |
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Break | > 10 | % |
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Charpy Notched Impact Strength (73°F, Complete Break) | 3.2 | ft·lb/in2 | ISO 179/1eA |
Charpy Unnotched Impact Strength (73°F) | No Break |
| ISO 179/1eU |
Heat Deflection Temperature |
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66 psi, Unannealed | 410 | °F | ISO 75-2/B |
264 psi, Unannealed | 311 | °F | ISO 75-2/A |
Vicat Softening Temperature |
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-- | 635 | °F | ISO 306/A |
-- | 581 | °F | ISO 306/B |
Melting Temperature 2 | 644 | °F | ISO 11357-3 |
CLTE - Flow (73 to 131°F) | 2.5E-5 | in/in/°F | ISO 11359-2 |
Processing (Melt) Temp | 716 to 752 | °F |
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Mold Temperature | 320 to 392 | °F |
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