类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）；丙烯酸，光学级
材料说明：有机玻璃制成的组件是透明的。优秀的老化稳定性和耐候性。良好的表面硬度。抗磨损。生理安全。高强度。容易tintable。
物性表：
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Specific Gravity | 1.18 g/cc | 1.18 g/cc | DIN 53 479 | ||
| Moisture Absorption at Equilibrium | 0.60 % | 0.60 % | Absorption of humidity in standard operating environment; DIN 53 715 | ||
| Water Absorption at Saturation | 2.0 % | 2.0 % | DIN 53 495 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Ball Indentation Hardness | 180 MPa @Time 30.0 sec |
26100 psi @Time 0.00833 hour |
DIN 53 456 | ||
| Tensile Strength | 60.0 MPa | 8700 psi | DIN 53 455 | ||
| Elongation at Break | 3.0 - 10 % | 3.0 - 10 % | DIN 53 455 | ||
| Tensile Modulus | 3.00 GPa | 435 ksi | DIN 53 457 | ||
| Charpy Impact, Notched | 1.80 J/cm² | 8.57 ft-lb/in² | DIN 53 453 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm | DIN 53 482, VDE 0303, Part 3 | ||
| Dielectric Constant | 3.4 @Frequency 1.00e+6 Hz |
3.4 @Frequency 1.00e+6 Hz |
DIN 53 483, IEC-250 | ||
| Dielectric Strength | >= 45.0 kV/mm | >= 1140 kV/in | Breakdown; DIN 53 481, IEC-243, VDE 0303 Part 1 | ||
| Dielectric Loss Index | 0.0040 @Frequency 1.00e+6 Hz |
0.0040 @Frequency 1.00e+6 Hz |
DIN 53 483, IEC-250 | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 70.0 µm/m-°C | 38.9 µin/in-°F | |||
| Specific Heat Capacity | 1.47 J/g-°C | 0.351 BTU/lb-°F | |||
| Thermal Conductivity | 0.190 W/m-K | 1.32 BTU-in/hr-ft²-°F | |||
| Maximum Service Temperature, Air | 100 °C | 212 °F | Continuous use | ||
| 100 °C | 212 °F | Short Periods | |||
| Deflection Temperature at 0.46 MPa (66 psi) | 100 °C | 212 °F | ISO-R 75 Method B | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 60.0 °C | 140 °F | ISO-R 75 Method A | ||
| Glass Transition Temp, Tg | 105 °C | 221 °F | dynamic; DIN 53 736 | ||
| Flammability, UL94 | HB | HB | |||
| Optical Properties | Metric | English | Comments | ||
| Transmission, Visible | 90 % | 90 % | transparent; thickness not quantified | ||
| De |
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| Color | transparent | ||||
| Creep Resistance | Grade CTI 600 | DIN 53 480, IEC-112, VDE 0303 Part 1 | |||
| Resistance to hot water, suds | not resistant | ||||
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