VESTAKEEP® i2 G
聚醚醚酮
Implantable grade polyether ether ketone resin for permanent implants
VESTAKEEP® i2 G is a natural colored, standard viscosity polyether ether ketone (PEEK) that is especially designed for long term implantable medical devices. This grade is often used for injection molding processing technologies due to its good flowability.
Proven Biocompatibility
The extra high purity and extended quality measures make VESTAKEEP® i-Grade materials an excellent choice for permanent implants.
For VESTAKEEP® i2 G, biocompatibility has been tested following ISO 10993-1 recommendations for permanent tissue/bone contact and USP Class VI.
VESTAKEEP® i2 G complies ASTM F2026 "Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications".
密度 (73°F) | 1.30 | g/cm³ | ISO 1183 |
熔融体积流量（MVR） (380°C/5.0 kg) | 4.27 | in³/10min | ISO 1133 |
吸水率 |
|
| ISO 62 |
饱和, 73°F | 0.40 | % |
|
平衡, 73°F, 50% RH | 0.12 | % |
|
拉伸模量 | 537000 | psi | ISO 527-2 |
拉伸应力 |
|
| ISO 527-2 |
屈服 | 14500 | psi |
|
断裂 | > 10200 | psi |
|
拉伸应变 |
|
| ISO 527-2 |
屈服 | 5.0 | % |
|
断裂 | > 20 | % |
|
简支梁缺口冲击强度 |
|
| ISO 179/1eA |
-22°F, 完全断裂 | 2.9 | ft·lb/in² |
|
73°F, 完全断裂 | 2.9 | ft·lb/in² |
|
简支梁无缺口冲击强度 |
|
| ISO 179/1eU |
-22°F | 无断裂 |
|
|
73°F | 无断裂 |
|
|
热变形温度 |
|
|
|
66 psi, 未退火 | 401 | °F | ISO 75-2/B |
264 psi, 未退火 | 302 | °F | ISO 75-2/A |
维卡软化温度 |
|
|
|
-- | 635 | °F | ISO 306/A |
-- | 590 | °F | ISO 306/B |
熔融温度 2 | 644 | °F | ISO 11357-3 |
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