VESTAKEEP? D4 G
聚醚醚酮
Natural colored polyether ether ketone for dental applications
VESTAKEEP? D4 G is a natural colored, high viscosity polyether ether ketone (PEEK) that is especially designed for removable and fixed dentures crowns and bridges.
For VESTAKEEP? D4 G, biocompatibility has been tested following 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? D4 G can be processed by common melt processing techniques like injection molding and extrusion.
特性 | - Good Heat Resistance、耐化學性良好、生物兼容性、粘度高
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用途 | |
機構評級 | |
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密度 (73°F) | 1.30 | g/cm3 | ISO 1183 |
熔融體積流量（MVR） (380°C/5.0 kg) | 0.732 | in3/10min | ISO 1133 |
吸水率 (飽和, 73°F) | 0.40 | % | ISO 62 |
拉伸模量 | 508000 | psi | ISO 527-2 |
拉伸應力 (屈服) | 13900 | psi | ISO 527-2 |
拉伸應變 |
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| ISO 527-2 |
屈服 | 5.0 | % |
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斷裂 | > 10 | % |
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簡支梁缺口沖擊強度 (73°F, 完全斷裂) | 3.8 | ft·lb/in2 | ISO 179/1eA |
簡支梁無缺口沖擊強度 (73°F) | 無斷裂 |
| ISO 179/1eU |
熱變形溫度 |
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66 psi, 未退火 | 410 | °F | ISO 75-2/B |
264 psi, 未退火 | 311 | °F | ISO 75-2/A |
維卡軟化溫度 |
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-- | 635 | °F | ISO 306/A |
-- | 581 | °F | ISO 306/B |
熔融溫度 2 | 644 | °F | ISO 11357-3 |
線形熱膨脹系數 - 流動 (73 到 131°F) | 2.5E-5 | in/in/°F | ISO 11359-2 |
加工（熔體）溫度 | 716 到 752 | °F |
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模具溫度 | 320 到 392 | °F |
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