ACRYMID? TT70
聚甲基丙烯酸甲酯-丙烯酸
ACRYMID? TT70 is a highly heat distortion-resistant poly(n-methyl methacrylimide) (PMMI).
Besides showing the properties common to all ACRYMID? molding compounds, such as
ACRYMID? TT70 has the following specific characteristics:
Application:
ACRYMID? molding compound is particularly suitable for injection molding of items meant for applications that involve maximum thermal loads.
特性 | - High Light Transmission、剛性高、高強度、耐氣候影響性能良好、耐熱性高、清晰度高
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用途 | - Lighting Applications、鏡頭、照明裝置
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形式 | |
加工方法 | |
密度 | 1.21 | g/cm3 | ISO 1183 |
熔融體積流量(MVR) (260°C/10.0 kg) | 0.104 | in3/10min | ISO 1133 |
吸水率 (平衡, 73°F, 50% RH) | 6.0 | % | ISO 62 |
拉伸模量 | 580000 | psi | ISO 527-2/1 |
拉伸應力 (斷裂) | 11600 | psi | ISO 527-2/5 |
拉伸應變 (斷裂) | 3.0 | % | ISO 527-2/5 |
簡支梁無缺口沖擊強度 (73°F) | 9.5 | ft·lb/in2 | ISO 179/1eU |
熱變形溫度 |
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66 psi, 未退火 | 316 | °F | ISO 75-2/B |
264 psi, 未退火 | 300 | °F | ISO 75-2/A |
維卡軟化溫度 | 338 | °F | ISO 306/B50 |
UL 阻燃等級 (0.06 in) | HB |
| IEC 707 |
Fire Rating | B2 |
| DIN 4102 |
折射率 | 1.540 |
| ISO 489 |
透射率 | 91.0 | % | ISO 13468-2 |
干燥溫度 | < 302 | °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 | 500 到 554 | °F |
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模具溫度 | 266 | °F |
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