类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）；丙烯酸，挤出
材料说明：有机玻璃®油性99560 mr2r是挤出PMMA板材上表面的耐擦伤涂层。该产品已经开发了用于光学和表面质量的最高要求的应用程序。它没有观察到的阴霾，一个非常光滑的表面，没有光的吸收和非常严格的厚度公差。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.19 g/cc | 0.0430 lb/in³ | ISO 1183 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Ball Indentation Hardness | 175 MPa | 25400 psi | H961/30; ISO 2039-1 | ||
| Tensile Strength at Break | 72.0 MPa | 10400 psi | ISO 527-2/1B/5 | ||
| 100 MPa @Temperature -40.0 °C |
14500 psi @Temperature -40.0 °F |
ISO 527-2/1B/5 | |||
| Tensile Strength, Ultimate | 35.0 MPa @Temperature 70.0 °C |
5080 psi @Temperature 158 °F |
ISO 527-2/1B/5 | ||
| Elongation at Break | 4.5 % | 4.5 % | ISO 527-2/1B/5 | ||
| Modulus of Elasticity | 3.30 GPa | 479 ksi | Short Term Value; ISO 527-2/1B/1 | ||
| Flexural Strength | 105 MPa | 15200 psi | 80x10x4 mm; ISO 178 | ||
| Compressive Yield Strength | 103 MPa | 14900 psi | ISO 604 | ||
| Izod Impact, Notched (ISO) | 1.60 kJ/m² | 0.761 ft-lb/in² | ISO 180/1A | ||
| Charpy Impact Unnotched | 1.50 J/cm² | 7.14 ft-lb/in² | ISO 179/1fu | ||
| Abrasion | <= 1.0 | <= 1.0 | % Haze, Abrasion resistance in Taber abrader test (100 rev.;5.4 N; CS-10F); ISO 9352 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | >= 1.00e+15 ohm-cm | >= 1.00e+15 ohm-cm | DIN VDE 0303/3 | ||
| Surface Resistance | >= 1.00e+12 ohm | >= 1.00e+12 ohm | DIN VDE 0303/3 | ||
Dielectric Constant  |
2.8 @Frequency 100000 Hz |
2.8 @Frequency 100000 Hz |
DIN VDE 0303, Part 4 | ||
| 3.7 @Frequency 50 Hz |
3.7 @Frequency 50 Hz |
DIN VDE 0303, Part 4 | |||
| Dielectric Strength | 30.0 kV/mm | 762 kV/in | DIN VDE 0303, Part 2 | ||
| Dissipation Factor |
0.030 @Frequency 100000 Hz |
0.030 @Frequency 100000 Hz |
DIN VDE 0303, Part 4 | ||
| 0.060 @Frequency 50 Hz |
0.060 @Frequency 50 Hz |
DIN VDE 0303, Part 4 | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 70.0 µm/m-°C @Temperature 0.000 - 50.0 °C |
38.9 µin/in-°F @Temperature 32.0 - 122 °F |
DIN 53752A | ||
| 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 | DIN 52612 | ||
| Maximum Service Temperature, Air | 70.0 °C | 158 °F | |||
| Deflection Temperature at 0.46 MPa (66 psi) | 95.0 °C | 203 °F | ISO 75 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 90.0 °C | 194 °F | ISO 75 | ||
| Vicat Softening Point | 102 °C | 216 °F | ISO 306, Method B 50 | ||
| Flammability, UL94 | HB @Thickness 1.60 mm |
HB @Thickness 0.0630 in |
|||
| Flash Point | 430 °C | 806 °F | Ignition Temperature; DIN 51794 | ||
| Optical Properties | Metric | English | Comments | ||
| Refractive Index | 1.491 | 1.491 | ISO 483 | ||
| Haze | <= 0.50 % | <= 0.50 % | ASTM D1003 | ||
| Transmission, Visible | >= 93 % | >= 93 % | DIN 5036, Part 3 | ||
| UV Transmittance | <= 1.0 % | <= 1.0 % | |||
| Reflection Coefficient, Visible (0-1) | 0.033 | 0.033 | Reflection loss in the visible range (for each surface) | ||
| De |
|||||
| Absorption in the Visible Range | Max 0.05% | ||||
| Number of Inclusions (0.1 mm to 0.25 mm) | Max 30 per m2 | Magnification Lens | |||
| Number of Inclusions (0.25 mm to 0.65 mm) | Max 7 per m2 | Magnification Lens | |||
| Number of Inclusions (0.65 mm to 1.65 mm) | Max 1 per m2 | Magnification Lens | |||
| Pencil Hardness | 6H | ASTM D3363, ISO 15184, KSD6711:1992 (Results may vary with different pencil sets.) | |||
| Sound Velocity | 2700-2800 m/s | at room temperature | |||
| U Value for 1mm | 5.8 W/m2K | DIN 4701 | |||
| U Value for 2mm | 5.6 W/m2K | DIN 4701 |
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