Plexiglas® Heatresist hw55
聚甲基丙烯酸甲酯-丙烯酸
PLEXIGLAS® Heatresist hw55 clear is a copolymer based on methyl methacrylate (MMA) with comonomer constituents.
Besides showing the familiar properties of standard PLEXIGLAS® molding compound, such as
PLEXIGLAS® Heatresist hw55 clear offers the additional benefits of
Application:
PLEXIGLAS® Heatresist hw55 clear is particularly suitable for injection molding of technical items.
Examples:
lighted keys, luminaire covers, fiber optics.
特性 | - High Light Transmission、高强度、共聚物、良好的流动性、良好耐磨损性、耐气候影响性能良好、硬度高
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用途 | |
外观 | |
形式 | |
加工方法 | |
多点数据 | 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 |
熔融体积流量(MVR) (230°C/3.8 kg) | 0.0732 | in³/10min | ISO 1133 |
吸水率 |
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| ISO 62 |
饱和, 73°F | 2.2 | % |
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平衡, 73°F, 50% RH | 0.60 | % |
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拉伸模量 | 522000 | psi | ISO 527-2/1 |
拉伸应力 (断裂) | 11600 | psi | ISO 527-2/5 |
拉伸应变 (断裂) | 3.5 | % | ISO 527-2/5 |
简支梁无缺口冲击强度 (73°F) | 9.5 | ft·lb/in² | ISO 179/1eU |
热变形温度 |
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66 psi, 未退火 | 228 | °F | ISO 75-2/B |
264 psi, 未退火 | 223 | °F | ISO 75-2/A |
玻璃转化温度 | 252 | °F | ISO 11357-2 |
维卡软化温度 | 246 | °F | ISO 306/B50 |
线形热膨胀系数 - 流动 (32 到 122°F) | 3.9E-5 | in/in/°F | ISO 11359-2 |
UL 阻燃等级 (0.06 in) | HB |
| IEC 707 |
折射率 | 1.510 |
| ISO 489 |
透射率 3 | 90.0 | % | ISO 13468-2 |
干燥温度 | < 228 | °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 | 140 到 194 | °F |
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