Plexiglas? 7M
聚甲基丙烯酸甲酯-丙烯酸
PLEXIGLAS? 7M is based on polymethyl methacrylate (PMMA).
Besides showing the familiar properties of PLEXIGLAS? 7H molding compounds, such as
PLEXIGLAS? 7M is special in that it
Application:
PLEXIGLAS? 7M is particularly suitable for extruding profiles and panels for use in lighting engineering.
Examples:
lighting fixtures, displays and similar extruded items for technical purposes.
特性 | - High Light Transmission、高強度、良好耐磨損性、耐氣候影響性能良好、硬度高
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用途 | |
形式 | |
加工方法 | |
多點數據 | Isothermal Stress vs. Strain (ISO 11403-1) Secant Modulus vs. Strain (ISO 11403-1) Shear Modulus vs. Temperature (ISO 11403-1) Viscosity vs. Shear Rate (ISO 11403-2)
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密度 | 1.19 | g/cm3 | ISO 1183 |
熔融體積流量（MVR） (230°C/3.8 kg) | 0.177 | in3/10min | ISO 1133 |
拉伸模量 | 464000 | psi | ISO 527-2/1 |
拉伸應力 (斷裂) | 10000 | psi | ISO 527-2/5 |
拉伸應變 (斷裂) | 4.0 | % | ISO 527-2/5 |
簡支梁無缺口沖擊強度 (73°F) | 9.5 | ft·lb/in2 | ISO 179/1eU |
玻璃轉化溫度 | 226 | °F | ISO 11357-2 |
維卡軟化溫度 | 219 | °F | ISO 306/B50 |
線形熱膨脹系數 - 流動 (32 到 122°F) | 4.4E-5 | in/in/°F | ISO 11359-2 |
可燃性等級 (0.06 in) | HB |
| IEC 60695-11-10, -20 |
折射率 | 1.490 |
| ISO 489 |
透射率 3 | 92.0 | % | ISO 13468-2 |
干燥溫度 | < 201 | °F |
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干燥時間 | 2.0 到 3.0 | hr |
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熔體溫度 | 428 到 500 | °F |
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口模溫度 | 428 到 500 | °F |
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