CLAREX® Precision Products

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CLAREX® PRODUCTS
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Precision Thin Sheet
Non-Glare Sheet
AR (Anti-Reflective) Filter
UV Cut Filter
UV Transmission Filter
NIR (Infra-Red) Filter
Anti-Bacteria Filter
ITO Coat Filter
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CLAREX ULTRAVIOLET (UV)
TRANSMISSION FILTER

Thicknesses & Sizes Optical Properties Spectrum Transmission Curves
Physical Properties Chemical Resistance



CLAREX® UV Filters provide extremely
accurate transmission
specifications.

CLAREX® UV TRANSMISSION FILTER transmits ultra-violet rays at 260nm.

APPLICATIONS:
Optical disc substrates, X-ray photoresist, UV-ray photoresist.

FEATURES:
Transmit ultra-violet ray (80% at 300nm)
Excellent optical characteristics
No double refraction
Available smooth surface or anti-glare surface
Available scratch-resistant

PRODUCT DESIGNATION

Grade : "S-O" Clear

THICKNESS and SIZE

Thickness : 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.8mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm and 5.0mm
Size: 400 x 550mm
* Available in any shape, cut and printed to the customers specification.

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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

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SPECTRUM TRANSMISSION CURVES




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PHYSICAL PROPERTIES

PROPERTIES 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
The factory can now offer these materials upon request with higher temperature ratings, 90-95ºC. Please contact us for more info.
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 60ºCx90%x100hr   No Change
Thermal Cycle -40ºC <> 80ºC
(10 cycles)
  No Change

ELECTRICAL

Surface Resistivity   W >1016
PENCIL HARDNESS     2H

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
ADHESION K-5400    
FLAMMABILITY UL standard >=0.8mm
Thickness
94HB

* Value provided cannot be guaranteed in your application due to circumstances beyond our control.

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CLAREX® Precision Products

Astra Products supplies optical quality coated and uncoated acrylic sheet. Coatings include scratch resistant, anti-reflective, ITO coat filters and more. CLAREX® cast cell acrylic sheet and our polycarbonate sheet offer a wide range of properties to enhance and protect flat panel displays including the use of light guide reflectors, diffusion reflectors, transmissive diffusing reflectors and much more.

Material copyright © by Astra Products, Inc. Information and specifications are believed to be correct, however, we are not responsible for typographical errors. Data is subject to change without notice. Be sure to contact Astra Products for complete and specific information prior to employing products in production. Sample material is available for testing.



Email: info@AstraProducts.com • Tel: (631) 464-4747 • Fax: (631) 464-4442

ASTRA PRODUCTS, INC · P.O. BOX 479 · BALDWIN, NY 11510 USA



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