VESTAKEEP? 5000G
聚醚醚酮
High-viscosity, unreinforced polyether ether ketone
VESTAKEEP 5000G is a high-viscosity, unreinforced polyether ether ketone for injection molding and extrusion.
The semi-crystalline polymer features superior thermal and chemical resistance. Parts made from VESTAKEEP 5000G are selfextinguishing.
VESTAKEEP 5000G can be processed by common machines for thermoplastics.
We recommend a melt temperature between 370°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 (73°F) | 1.30 | g/cm3 | ISO 1183 |
熔融體積流量（MVR） (380°C/5.0 kg) | 0.427 | in3/10min | ISO 1133 |
收縮率 |
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| ISO 294-4 |
橫向流量 : 0.0787 in | 1.1 | % |
|
流量 : 0.0787 in | 0.90 | % |
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拉伸模量 | 493000 | psi | ISO 527-2 |
拉伸應力 (屈服) | 13800 | psi | ISO 527-2 |
拉伸應變 |
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| ISO 527-2 |
屈服 | 5.0 | % |
|
斷裂 | 40 | % |
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簡支梁缺口沖擊強度 |
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| ISO 179/1eA |
-22°F, 完全斷裂 | 3.8 | ft·lb/in2 |
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73°F, 完全斷裂 | 4.3 | ft·lb/in2 |
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簡支梁無缺口沖擊強度 |
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| ISO 179/1eU |
-22°F | 無斷裂 |
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73°F | 無斷裂 |
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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(shù) - 流動 (73 到 131°F) | 3.3E-5 | in/in/°F | ISO 11359-2 |
表面電阻率 | 1.0E+14 | ohms | IEC 60093 |
體積電阻率 | 1.0E+15 | ohms·cm | IEC 60093 |
介電強度 3 | 410 | V/mil | IEC 60243-1 |
相對電容率 |
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| IEC 60250 |
50 Hz | 2.80 |
|
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1 MHz | 2.80 |
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漏電起痕指數(shù) |
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| IEC 60112 |
解決方案 A | 200 | V |
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解決方案 A 4 | 175 | V |
|
UL 阻燃等級 (0.13 in) | V-0 |
| UL 94 |
灼熱絲易燃指數(shù) (0.08 in) | 1760 | °F | IEC 60695-2-12 |
熱燈絲點火溫度 (0.08 in) | 1560 | °F | IEC 60695-2-13 |
加工（熔體）溫度 | 698 到 716 | °F |
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模具溫度 | 320 到 392 | °F |
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