VESTAKEEP® DC4420 G
PEEK(聚醚醚酮)
赢创(原德固赛)(Evonik)
产品描述
White pigmented polyether ether ketone for dental applications
VESTAKEEP® DC4420 G is a white pigmented, high viscosity polyether ether ketone (PEEK) resin that is especially designed for removable and fixed dentures, crowns and bridges.
For VESTAKEEP® DC4420 G, 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.
VESTAKEEP® DC4420 G can be processed by common melt processing techniques like injection molding and extrusion.
基本信息
原厂资料 | 物性表(英文) | |||
产品特性 | 耐热医疗级生物相容耐化学性 | |||
法规认证 | ISO10993(生物相容性)USP Class VI(美国药典) | |||
颜色形状 | 粒状白色 | |||
成型方式 | 注塑挤出 |
技术参数
物理性能 | 值/单位 | 测试标准 | 测试条件 |
---|---|---|---|
密度 | 1.49 g/cm³ | ISO 1183 | 23°C/ 50% r.h. |
熔体体积流动速率(MVR) | |||
380°C/5.0 kg | 9.5 cm³/10 min | ISO 1133 | |
吸水率 | 0.4 % | ISO 62 | saturation |
机械性能 | 值/单位 | 测试标准 | 测试条件 |
拉伸强度 | |||
屈服(yld) | 95 Mpa | ISO 527-1/-2 | 23°C/ 50% r.h. |
拉伸延伸率 | |||
屈服(yld) | 4.8 % | ISO 527-1/-2 | 23°C/ 50% r.h. |
断裂(brk) | 10 % | ISO 527-1/-2 | 23°C/ 50% r.h. |
拉伸模量 | 4100 Mpa | ISO 527-1/-2 | |
冲击性能 | 值/单位 | 测试标准 | 测试条件 |
简支梁缺口(Charpy Notched) | |||
23℃ (73℉) | 6.8 kJ/m² | ISO 179/1eA | Complete break |
简支梁无缺口(Charpy Unnotched) | |||
23℃ (73℉) | NB kJ/m² | ISO 179/1eU | |
热学性能 | 值/单位 | 测试标准 | 测试条件 |
热变形温度(HDT) | |||
0.45 Mpa (66 psi)(4.6kg/cm²) | 210 °C | ISO 75-1/-2 | |
1.8 Mpa (264 psi)(18.6kg/cm²) | 155 °C | ISO 75-1/-2 | |
维卡软化温度(Vicat) | 335 °C | ISO 306 | 10 N |
维卡软化温度(Vicat) | 305 °C | ISO 306 | 50 N |
线性膨胀系数(CLTE) | |||
纵向(Flow) | 45 E-6/K | ISO 11359 | 23–55°C |
熔融温度(Tm) | 340 °C | ISO 11357 | DSC, 2nd heating |