VESTAKEEP® 2000G
聚醚醚酮
Medium-viscosity, unreinforced polyether ether ketone
VESTAKEEP 2000G is a medium-viscosity, unreinforced polyether ether ketone for injection molding.
The semi-crystalline polymer features superior thermal and chemical resistance. Parts made from VESTAKEEP 2000G are self-extinguishing.
VESTAKEEP 2000G can be processed by common injection molding machines for thermoplastics.
We recommend a melt temperature between 360°C and 380°C during the injection molding process. The mold temperature should be within a range of 160°C to 200°C, preferably 180°C.
密度 | 1.30 | g/cm³ | ISO 1183 |
熔融体积流量（MVR） (380°C/5.0 kg) | 4.27 | in³/10min | ISO 1133 |
收缩率 3 |
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| ISO 294-4 |
横向流量 : 176°F, 0.0787 in | 1.1 | % |
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流量 : 176°F, 0.0787 in | 1.1 | % |
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拉伸模量 | 537000 | psi | ISO 527-2 |
拉伸应力 (屈服) | 14500 | psi | ISO 527-2 |
拉伸应变 |
|
| ISO 527-2 |
屈服 | 5.0 | % |
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断裂 | 30 | % |
|
简支梁缺口冲击强度 |
|
| ISO 179/1eA |
-22°F, 完全断裂 | 2.9 | ft·lb/in² |
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73°F, 完全断裂 | 2.9 | ft·lb/in² |
|
简支梁无缺口冲击强度 (73°F) | 无断裂 |
| ISO 179/1eU |
维卡软化温度 |
|
|
|
-- | 635 | °F | ISO 306/A |
-- | 590 | °F | ISO 306/B |
熔融温度 4 | 644 | °F | ISO 11357-3 |
线形热膨胀系数 - 流动 (73 到 131°F) | 3.3E-5 | in/in/°F | ISO 11359-2 |
表面电阻率 | 1.0E+14 | ohms | IEC 60093 |
体积电阻率 | 1.0E+15 | ohms·cm | IEC 60093 |
介电强度 5 | 410 | V/mil | IEC 60243-1 |
相对电容率 |
|
| IEC 60250 |
50 Hz | 2.80 |
|
|
1 MHz | 2.80 |
|
|
漏电起痕指数 |
|
| IEC 60112 |
解决方案 A | 200 | V |
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解决方案 A 6 | 175 | V |
|
UL 阻燃等级 (0.06 in) | V-0 |
| UL 94 |
灼热丝易燃指数 (0.08 in) | 1760 | °F | IEC 60695-2-12 |
热灯丝点火温度 (0.08 in) | 1470 | °F | IEC 60695-2-13 |
加工（熔体）温度 | 680 到 716 | °F |
|
模具温度 | 320 到 392 | °F |
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