类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）；丙烯酸，一般用途
材料概述：PMMA H15-003 PMMA的概述：PMMA树脂是无毒环保的材料，可用于生产餐具，卫生洁具等，具有良好的化学稳定性和耐候性。PMMA树脂在破碎时不易产生尖锐的碎片，美国、日本等国家和地区已在法律中作出强制性规定，中小学及幼儿园建筑用玻璃必须采用PMMA树脂。目前，全国各地加快了城市建设步伐，街头标志、广告灯箱和电话亭等大量出现，其中所用材料中有相当一部分是PMMA树脂。北京奥运工程的户外彩色建材也大量使用了绿色环保的PMMA树脂。
物性表：
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell M | 94 | 94 | Control; ASTM D785 |
| 94 | 94 | Sterrad Processed; ASTM D785 | |
| Tensile Strength, Yield | 78.6 MPa | 11400 psi | Sterrad Processed; ASTM D638 |
| 80.25 MPa | 11640 psi | Control; ASTM D638 | |
 |
71.64 MPa @Strain 1.20 % |
10390 psi @Strain 1.20 % |
Control;Chemical Resistance to lipids, 24hrs, 30°C; ASTM D638 |
| 77.84 MPa @Strain 1.20 % |
11290 psi @Strain 1.20 % |
Control;Chemical Resistance to lipids, 24hrs, 30°C; ASTM D638 | |
| Elongation at Break | 5.5 % | 5.5 % | Sterrad Processed; ASTM D638 |
| 5.9 % | 5.9 % | Sterrad Processed; Chemical Resistance to lipids, 1.2% strain, 24hrs, 30°C+I9175; ASTM D638 | |
| 10.3 % | 10.3 % | Control; ASTM D638 | |
| 11.8 % | 11.8 % | Control;Chemical Resistance to lipids, 1.2% strain, 24hrs, 30°C; ASTM D638 | |
| Elongation at Yield | 5.5 % | 5.5 % | Sterrad Processed; ASTM D638 |
| 5.7 % | 5.7 % | Control; ASTM D638 | |
| Tensile Modulus | 3.24 GPa | 470 ksi | Control; ASTM D638 |
| 3.26 GPa | 473 ksi | Sterrad Processed; ASTM D638 | |
| Izod Impact, Notched |
0.166 J/cm @Thickness 3.17 mm |
0.310 ft-lb/in @Thickness 0.125 in |
Sterrad Processed; ASTM D256 |
| 0.192 J/cm @Thickness 3.17 mm |
0.360 ft-lb/in @Thickness 0.125 in |
Control; ASTM D256 | |
| Optical Properties | Metric | English | Comments |
| Refractive Index | 1.49 | 1.49 | Control; ASTM D542 |
| 1.49 | 1.49 | Sterrad Processed; ASTM D542 | |
| Haze | 0.70 % | 0.70 % | Control; ASTM D1003 |
| 0.90 % | 0.90 % | Sterrad Processed; ASTM D1003 | |
| Gloss | 137 % | 137 % | 60°, Control; ASTM D523 |
| 138 % | 138 % | 60°, Sterrad Processed; ASTM D523 | |
| Yellow Index | 0.30 % | 0.30 % | Sterrad Processed; ASTM D1003 |
| 0.40 % | 0.40 % | Control; ASTM D1003 | |
| Transmission, Visible | 93 % | 93 % | Sterrad Processed; ASTM D1003 |
| 93 % | 93 % | Control; ASTM D1003 | |
图：
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