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 |
熔融體積流量（MVR） (230°C/3.8 kg) | 0.122 | in3/10min | ISO 1133 |
吸水率 (飽和, 73°F) | > 3.0 | % | ISO 62 |
拉伸模量 | 421000 | psi | ISO 527-2/1 |
拉伸應力 (斷裂) | 8700 | psi | ISO 527-2/5 |
拉伸應變 (斷裂) | 2.6 | % | ISO 527-2/5 |
簡支梁無缺口沖擊強度 (73°F) | 7.6 | ft·lb/in2 | ISO 179/1eU |
熱變形溫度 |
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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 |
玻璃轉化溫度 | 259 | °F | ISO 11357-2 |
維卡軟化溫度 | 241 | °F | ISO 306/B50 |
熱燈絲點火溫度 | 1250 | °F | IEC 60695-2-13 |
干燥溫度 | < 212 | °F |
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干燥時間 | 2.0 到 3.0 | hr |
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加工（熔體）溫度 | 428 到 482 | °F |
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模具溫度 | 122 到 185 | °F |
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