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、耐化学性良好、生物兼容性、粘度高
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用途 | |
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密度 (73°F) | 1.30 | g/cm³ | ISO 1183 |
熔融体积流量（MVR） (380°C/5.0 kg) | 0.732 | in³/10min | ISO 1133 |
吸水率 (饱和, 73°F) | 0.40 | % | ISO 62 |
拉伸模量 | 508000 | psi | ISO 527-2 |
拉伸应力 (屈服) | 13900 | psi | ISO 527-2 |
拉伸应变 |
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| ISO 527-2 |
屈服 | 5.0 | % |
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断裂 | > 10 | % |
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简支梁缺口冲击强度 (73°F, 完全断裂) | 3.8 | ft·lb/in² | ISO 179/1eA |
简支梁无缺口冲击强度 (73°F) | 无断裂 |
| ISO 179/1eU |
热变形温度 |
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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 |
维卡软化温度 |
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-- | 635 | °F | ISO 306/A |
-- | 581 | °F | ISO 306/B |
熔融温度 2 | 644 | °F | ISO 11357-3 |
线形热膨胀系数 - 流动 (73 到 131°F) | 2.5E-5 | in/in/°F | ISO 11359-2 |
加工（熔体）温度 | 716 到 752 | °F |
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模具温度 | 320 到 392 | °F |
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