VESTAKEEP? DC4430 R
Polyetheretherketone
X-ray opaque, white pigmented polyether ether ketone for dental applications
VESTAKEEP? DC4430 R is a white pigmented polyether ether ketone (PEEK) grade that is especially designed for removable and fixed dentures, crowns and bridges.
VESTAKEEP? DC4430 R contains 6% Barium sulphate to render it x-ray opaque. For VESTAKEEP? DC4430 R, 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.
Filler / Reinforcement | |
Features | - Biocompatible，Chemical Resistant，Good Heat Resistance
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Uses | |
Agency Ratings | |
Appearance | |
Forms | |
Density (73°F) | 1.51 | g/cm3 | ISO 1183 |
Water Absorption (Saturation, 73°F) | 0.40 | % | ISO 62 |
Tensile Modulus | 740000 | psi | ISO 527-2 |
Tensile Stress (Yield) | 16000 | psi | ISO 527-2 |
Tensile Strain |
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| ISO 527-2 |
Yield | 4.2 | % |
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Break | > 10 | % |
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Flexural Modulus | 682000 | psi | ISO 178 |
Flexural Stress | 25800 | psi | ISO 178 |
Notched Izod Impact Strength (73°F) | 2.6 | ft·lb/in2 | ISO 180 |
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 |
