类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）
材料说明：pmma 165是影响改性苯乙烯-丙烯酸酯共聚物的共混物，具有优良的透明度和韧性好。
特殊韧性
低密度
加工容易
低吸湿
物性表：
物性表：
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.04 g/cc | 0.0376 lb/in³ | ASTM D 792 |
| Water Absorption at Saturation | 0.10 % @Temperature 23.0 °C |
0.10 % @Temperature 73.4 °F |
ASTM D 570 |
| Linear Mold Shrinkage | 0.0020 - 0.0060 cm/cm | 0.0020 - 0.0060 in/in | ASTM D 955 |
| Melt Flow | 5.0 g/10 min @Load 5.00 kg, Temperature 200 °C |
5.0 g/10 min @Load 11.0 lb, Temperature 392 °F |
ISO 1133 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 70 | 70 | ASTM D 785 |
| Tensile Strength, Yield | 20.7 MPa | 3000 psi | ASTM D 638 |
| Elongation at Break | 50 % | 50 % | ASTM D 638 |
| Tensile Modulus | 1.52 GPa | 220 ksi | ASTM D 638 |
| Flexural Strength | 37.2 MPa | 5400 psi | ASTM D 790 |
| Flexural Modulus | 1.55 GPa | 225 ksi | ASTM D 790 |
| Izod Impact, Notched | 2.67 J/cm | 5.00 ft-lb/in | ASTM D 256 |
| Thermal Properties | Metric | English | Comments |
| Maximum Service Temperature, Air | 249 °C | 480 °F | |
| Vicat Softening Point | 93.9 °C | 201 °F | ASTM D 1525 |
| Optical Properties | Metric | English | Comments |
| Refractive Index | 1.57 | 1.57 | Sodium D Line; ASTM D 542 |
| Haze | 2.2 % | 2.2 % | ASTM D 1003 |
| Transmission, Visible | >= 90 % @Wavelength 550 nm |
>= 90 % @Wavelength 550 nm |
ASTM D 1003 |
| Processing Properties | Metric | English | Comments |
| Melt Temperature | 204 - 238 °C | 400 - 460 °F | |
| Mold Temperature | 26.7 - 54.4 °C | 80.0 - 130 °F | |
| Drying Temperature | 65.6 °C @Time 7200 sec |
150 °F @Time 2.00 hour |
|
图示：
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联系QQ；1396427082
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