VESTAKEEP? DC4470 R
Polyetheretherketone
Gingiva-colored polyether ether ketone for dental applications
VESTAKEEP? DC4470 R is a gingiva-colored polyether ether ketone (PEEK) grade that is especially designed for removable dentures to meet the aesthetic demands of the patient.
For VESTAKEEP? DC4470 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.
Features | - Biocompatible，Chemical Resistant，Good Heat Resistance
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Uses | |
Agency Ratings | - ISO 10993 Part 10，ISO 10993 Part 11，ISO 10993 Part 18，ISO 10993 Part 3，ISO 10993 Part 5，ISO 10993-Part 1，USP Class VI
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Forms | |
Density (73°F) | 1.36 | g/cm3 | ISO 1183 |
Water Absorption (Saturation, 73°F) | 0.40 | % | ISO 62 |
Tensile Modulus | 638000 | psi | ISO 527-2 |
Tensile Stress (Yield) | 16000 | psi | ISO 527-2 |
Tensile Strain |
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| ISO 527-2 |
Yield | 4.5 | % |
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Break | > 10 | % |
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Flexural Modulus | 638000 | psi | ISO 178 |
Flexural Stress | 25400 | 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 |
