CLAREX® Precision Products
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• Infra-Red (IR) Cut Filters
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• Coated Polycarbonate Filters
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CLAREX® PRODUCTS
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DETAILED GUIDE
• 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
• Laser Scanner Filter
• Light Guide Reflector
• Light Guide Panel
• DR-I Diffusion Reflector
• DR-II Transmissive Diffusing Reflector
• DR-II EL Transmissive Diffusing Reflector
• DR-IIIC Light Diffusing Filter
• DR-IIIS Diffusion Filter
• DR-IV HSOT Light Scatter Panels & Shapes
• Blue Ocean Front & Rear Projection Screens
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CLAREX ULTRAVIOLET (UV)
CUT FILTER

Thicknesses & Sizes • Physical Properties • Spectrophotometric Transmission Curves

.

CLAREX® UV Filters are employed in
a wide range of sensing apparatus
when precision is critical.
 

 CLAREX® UV CUT FILTER protects displays from ultra-violet rays.  There are five types of ultra-violet absorption filters, ranging from 370nm ~ 480nm.
CLAREX® UV CUT FILTER is available with smooth or Non-Glare surfaces. Both surfaces are available with Scratch Resistant Coating

FEATURES:
• Excellent optical characteristics
• No double refraction
• Excellent weatherability
• Available smooth surface or anti-glare surface
• Scratch-resistant grades available.
PRODUCT DESIGNATION
Grade No. Color Tone UV Absorption
CL-001 Clear Absorb UV under 370nm
N-169 Clear Absorb UV under 380nm
N-190 Clear Absorb UV under 390nm
N-113 Clear Absorb UV under 400nm
N-039 Yellow Absorb UV under 470nm

THICKNESS and SIZES
 
Size Available Thickness
400 x 550mm 0.5mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm 4.0 5.0

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PHYSICAL PROPERTIES
 
PROPERTY METHOD UNIT Normal
Grade		 Hard Coat
Grade
SPECIFIC GRAVITY ASTM D-792   1.19 1.19
OPTICAL
Refractive Index ASTM D-542   1.49 1.49 (1.54)
MECHANICAL
Elongation ASTM D-638 % 5 5
Tensile Rupture Strength ASTM D-638 kg/cm2 750 650
Flexural Rupture Strength ASTM D-790 kg/cm2 1200 800
THERMAL
Heat Distortion Temperature ASTM D-648 ºC 110 110
Maximum recommended continuous temperature ºC 80 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 7 x 10-5
Specific Heat ASTM D-638 cal/grºC 0.35 0.35
DURABILITY
Heat Resistance 80ºC x 100hr   No Change No Change
Cold Resistance -40ºC x 100hr   No Change No Change
Humidity Resistance 60ºCx90%x100hr   No Change No Change
Thermal Cycle -40ºC <-> 80ºC
(10 cycles)		   No Change No Change
ELECTRICAL
Surface Resistivity   O >1016 >1016
PENCIL HARDNESS
      2H 6~8H
CHEMICAL
Methyl Alcohol (50%)     No Change No Change
Ethyl Alcohol (50%)     No Change No Change
Soap Aqua Solution     No Change No Change
Toluene     Dissolved No Change
Acetone     Dissolved No Change
Benzene     Swollen No Change
Ethylene Dichloride     Dissolved No Change
ADHESION K-5400     100/100
FLAMMABILITY UL standard >0.8mm
Thickness		 94HB 94HB

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

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SPECTROPHOTOMETRIC TRANSMISSION CURVES



 

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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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