VESTAKEEP® DC4470 G
PEEK(聚醚醚酮)
赢创(原德固赛)(Evonik)
产品描述
Gingiva-colored polyether ether ketone for dental applications
VESTAKEEP® DC4470 G is a gingiva-colored, high viscosity polyether ether ketone (PEEK) resin that is especially designed for removable dentures to meet the aesthetic demands of the patient.
For VESTAKEEP® DC4470 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® DC4470 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 | |||
| 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 | 1.36 g/cm³ | ISO 1183 | 23°C |
熔体体积流动速率(MVR) | |||
380°C/5.0 kg | 11 cm³/10 min | ISO 1133 | |
吸水率 | 0.4 % | ISO 62 | |
| 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 | |
拉伸延伸率 | |||
屈服(yld) | 5 % | ISO 527-1/-2 | |
断裂(brk) | 10 % | ISO 527-1/-2 | |
拉伸模量 | 3600 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℉) | 7.5 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 |