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、高強(qiáng)度、共聚物、良好的流動(dòng)性、良好耐磨損性、耐氣候影響性能良好、硬度高
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用途 | |
外觀 | |
形式 | |
加工方法 | |
多點(diǎn)數(shù)據(jù) | 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) | 0.0732 | in3/10min | ISO 1133 |
吸水率 |
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| ISO 62 |
飽和, 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 |
拉伸應(yīng)力 (斷裂) | 11600 | psi | ISO 527-2/5 |
拉伸應(yīng)變 (斷裂) | 3.5 | % | ISO 527-2/5 |
簡支梁無缺口沖擊強(qiáng)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 | 228 | °F | ISO 75-2/B |
264 psi, 未退火 | 223 | °F | ISO 75-2/A |
玻璃轉(zhuǎn)化溫度 | 252 | °F | ISO 11357-2 |
維卡軟化溫度 | 246 | °F | ISO 306/B50 |
線形熱膨脹系數(shù) - 流動(dòng) (32 到 122°F) | 3.9E-5 | in/in/°F | ISO 11359-2 |
UL 阻燃等級(jí) (0.06 in) | HB |
| IEC 707 |
折射率 | 1.510 |
| ISO 489 |
透射率 3 | 90.0 | % | ISO 13468-2 |
干燥溫度 | < 228 | °F |
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干燥時(shí)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 | 140 到 194 | °F |
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