VESTAKEEP? DC4470 R
聚醚醚酮
Gingiva-colored polyether ether ketone for dental applications
VESTAKEEP? DC4470 R is a gingiva-colored polyether ether ketone (PEEK) grade that is especially designed for removable dentures to meet the aesthetic demands of the patient.
For VESTAKEEP? DC4470 R, biocompatibility has been tested according to ISO 10993-1 recommendations for permanent mucous membrane contact.
The compound composition is optimised for high biocompatibility and superior mechanical, thermal and chemical resistance.
特性 | - Good Heat Resistance、耐化學(xué)性、良好生物兼容性
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用途 | |
機(jī)構(gòu)評(píng)級(jí) | |
形式 | |
密度 (73°F) | 1.36 | g/cm3 | ISO 1183 |
吸水率 (飽和, 73°F) | 0.40 | % | ISO 62 |
拉伸模量 | 638000 | psi | ISO 527-2 |
拉伸應(yīng)力 (屈服) | 16000 | psi | ISO 527-2 |
拉伸應(yīng)變 |
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| ISO 527-2 |
屈服 | 4.5 | % |
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斷裂 | > 10 | % |
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彎曲模量 | 638000 | psi | ISO 178 |
彎曲應(yīng)力 | 25400 | psi | ISO 178 |
懸壁梁缺口沖擊強(qiáng)度 (73°F) | 2.6 | ft·lb/in2 | ISO 180 |
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(shù) - 流動(dòng) (73 到 131°F) | 2.5E-5 | in/in/°F | ISO 11359-2 |
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