Plexiglas® Hi-Gloss NTA-3
聚甲基丙烯酸甲酯-丙烯酸
PLEXIGLAS® Hi-Gloss NTA-3 is a compound with an increased heat deflection temperature based on polymethyl methacrylate (PMMA).
Besides the well-known properties of PLEXIGLAS® molding compound, such as
PLEXIGLAS® Hi-Gloss NTA-3 offers the added benefit of
Application:
PLEXIGLAS® Hi-Gloss NTA-3 is particularly suitable for injection molding technical components. Owing to its superior brilliance, high-gloss (Class A) surfaces can be obtained in opaque colors.
Examples:
automotive body parts: window channels, pillar panels
密度 | 1.18 | g/cm³ | ISO 1183 |
熔融体积流量（MVR） (230°C/3.8 kg) | 0.122 | in³/10min | ISO 1133 |
吸水率 (饱和, 73°F) | > 3.0 | % | ISO 62 |
拉伸模量 | 421000 | psi | ISO 527-2/1 |
拉伸应力 (断裂) | 8700 | psi | ISO 527-2/5 |
拉伸应变 (断裂) | 2.6 | % | ISO 527-2/5 |
简支梁无缺口冲击强度 (73°F) | 7.6 | ft·lb/in² | ISO 179/1eU |
热变形温度 |
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66 psi, 未退火 | 223 | °F | ISO 75-2/B |
264 psi, 未退火 | 223 | °F | ISO 75-2/A |
玻璃转化温度 | 259 | °F | ISO 11357-2 |
维卡软化温度 | 241 | °F | ISO 306/B50 |
热灯丝点火温度 | 1250 | °F | IEC 60695-2-13 |
干燥温度 | < 212 | °F |
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干燥时间 | 2.0 到 3.0 | hr |
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加工（熔体）温度 | 428 到 482 | °F |
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模具温度 | 122 到 185 | °F |
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