VESTAKEEP? DC4430 R
聚醚醚酮
X-ray opaque, white pigmented polyether ether ketone for dental applications
VESTAKEEP? DC4430 R is a white pigmented polyether ether ketone (PEEK) grade that is especially designed for removable and fixed dentures, crowns and bridges.
VESTAKEEP? DC4430 R contains 6% Barium sulphate to render it x-ray opaque. For VESTAKEEP? DC4430 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.
填料/增強(qiáng)材料 | |
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) | |
外觀 | |
形式 | |
密度 (73°F) | 1.51 | g/cm3 | ISO 1183 |
吸水率 (飽和, 73°F) | 0.40 | % | ISO 62 |
拉伸模量 | 740000 | 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 | 4.2 | % |
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斷裂 | > 10 | % |
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彎曲模量 | 682000 | psi | ISO 178 |
彎曲應(yīng)力 | 25800 | 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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