Plexiglas? Heatresist hw55
聚甲基丙烯酸甲酯-丙烯酸
Evonik Industries AG
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.
特征 | - High Light Transmission、高强度、共聚物、优异的流动性、优异耐磨损性、耐天气影响性能优异、硬度高
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用途 | |
外观 | |
形式 | |
加工要领 | |
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/cm? | ISO 1183 |
熔融体积流量(MVR) (230°C/3.8 kg) | 0.0732 | in?/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 |
简支梁无缺口攻击强度 (73°F) | 9.5 | ft·lb/in? | 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 阻燃品级 (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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