CLAREX® UV Transmission Filters
Transmits ultraviolet rays at 260nm
CLAREX® UV Filters provide excellent optical characteristics - no double refraction. Click graph image to enlarge.
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Astra Products BrochureCLAREX® UV TRANSMISSION FILTERS - Transmits ultra-violet rays at 260nm. CLAREX® UV Filters provide extremely accurate transmission specifications.
Product Designation is Grade: "S-O" Clear.
- Transmit ultra-violet ray (80% at 300nm)
- Excellent optical characteristics
- No double refraction
- Available smooth surface or anti-glare surface
- Available scratch-resistant
APPLICATIONS - Optical disc substrates, UV-cure applications, sterilization filters
THICKNESS - 0.2, 0.3, 0.4, 0.5, 0.8, 1.0, 1.2, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 and 5.0mm
SIZE - 400 x 550mm standard. Custom sizes available upon request.
OPTICAL PROPERTIES -
Transmission from 260nm
— Transmit about 80% at 300nm — Transmit about 90% at 350nm
Total
Light Transmission 93% - Haze 0.1% - Refractive Index 1.49
MACHINING / PRINTING - Available to customer specification.
| PHYSICAL PROPERTIES | |||
|---|---|---|---|
| PROPERTY | METHOD | UNIT | Normal Grade |
| SPECIFIC GRAVITY | ASTM D-792 | 1.19 | |
| OPTICAL | |||
| Refractive Index | ASTM D-542 | 1.49 | |
| MECHANICAL | |||
| Elongation | ASTM D-638 | % | 5 |
| Tensile Rupture Strength | ASTM D-638 | kg/cm2 | 750 |
| Flexural Rupture Strength | ASTM D-790 | kg/cm2 | 1200 |
| THERMAL | |||
| Heat Distortion Temperature | ASTM D-648 | ºC | 110 |
| Maximum recommended continuous temperature | ºC | 80 | |
| Available with higher temperature ratings on request, 90-95ºC | |||
| Coefficient of Thermal Expansion | ASTM D-696 | cm/cm/ºC | 7 x 10-5 |
| Specific Heat | ASTM D-638 | cal/grºC | 0.35 |
| DURABILITY | |||
| Heat Resistance | 80ºC x 100hr | No Change | |
| Cold Resistance | -40ºC x 100hr | No Change | |
| Humidity Resistance | 60ºC x 90% x 100hr | No Change | |
| Thermal Cycle | -40ºC <> 80ºC (10 cycles) |
No Change | |
| ELECTRICAL | |||
| Surface Resistivity | W | >1016 | |
| CHEMICAL | |||
| Methyl Alcohol (50%) | No Change | ||
| Ethyl Alcohol (50%) | No Change | ||
| Soap Aqua Solution | No Change | ||
| Toluene | Dissolved | ||
| Acetone | Dissolved | ||
| Benzene | Swollen | ||
| Ethylene Dichloride | Dissolved | ||
| + | |||
| PENCIL HARDNESS | 2H | ||
| ADHESION | K-5400 | ||
| FLAMMABILITY | UL standard | >=0.8mm Thickness |
94HB |
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