CLAREX® DR-IIIS Light Diffusion Filter
Extremely uniform surface brightness
Because of its high diffusion property, Clarex DR-IIIS can be positioned directly above the LED
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Astra Products BrochureCLAREX® DR-IIIS DIFFUSION FILTER - has been developed for car audio manufacturers, enabling the replacement of incandescent lamps with LEDs.
1 Because of its high diffusion property, Clarex DR-IIIS can be positioned directly above the LED, with a minimum gap - see diagram.
- Available as thin as 0.5 mm, yet able to block up to 95% of light and provide effective diffusion
- Extremely uniform surface brightness
- Light transmissions ranging from 5% to 40%
APPLICATIONS - Audio and entertainment displays, home products and interfaces
THICKNESS - 0.5mm to 1.0mm in 0.1mm increments
MAX SIZE - 400 x 550mm
MACHINING / PRINTING - available to customer specification.
COLORS - Available in many colors - see standard colors.
| OPTICAL PROPERTIES | |
|---|---|
| Grade No. | Total Light Transmission |
| DR-40S | 40% |
| DR-35S | 35% |
| DR-30S | 30% |
| DR-25S | 25% |
| DR-20S | 20% |
| DR-15S | 15% |
| DR-10S | 10% |
| DR-05S | 5% |
| PHYSICAL PROPERTIES | ||||
|---|---|---|---|---|
| PROPERTY | TEST METHOD | UNIT | DR-IIIS | |
| JIS | ASTM | |||
| OPTICAL | ||||
| Refractive Index | K7105 | D-542 | - | 1.49 |
| MECHANICAL | ||||
| Elongation | K7113 | D-638 | % | 2 |
| Tensile Rupture Strength | K7113 | D-638 | MPa | 50 |
| Flexural Rupture Strength | K7203 | D-790 | MPa | 50 |
| Impact Strength (IZOD) | K7111 | D-256 | KJ/m2 | - |
| Rockwell Hardness | K7202 | D-785 | - | - |
| Pencil Hardness | D0202 | - | - | 2 - 3H |
| THERMAL | ||||
| Heat Distortion Temperature | K7202 | D-648 | °C | 110 |
| Maximum Recommended Continuous Temperature | °C | 80 | ||
| Available with higher temperature ratings on request, 90-95ºC | ||||
| Coefficient of Thermal Expansion | K6911 | D-696 | cm/cm/°C | 7 x 10-5 |
| Coefficient of Thermal Conductivity | K1413 | D-177 | W/m°C | 0.17 |
| Heat Forming Temperature | - | - | °C | 140-180 |
| Specific Heat | K7123 | D-638 | J/kg°C | 1.47 |
| ELECTRICAL | ||||
| Volume Resistivity | K6911 | D-257 | Ωm | >1016 |
| Surface Resistivity | K6911 | - | Ωm | >1016 |
| OTHERS | ||||
| Water Absorption | K7209 | D-570 | % | 0.3 |
| Specific Gravity | K7112 | D-792 | - | 1.19 |
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