CLAREX® Precision Products
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CLAREX® PRODUCTS
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CLAREX DR-III
LIGHT DIFFUSION FILTER

ConstructionPhysical PropertiesChemical Resistance
Product TypesThickness & SizesOptical Data



Many specialty devices utilize CLAREX®
DR-III to enhance displays.

CLAREX® DR-IIIC LIGHT DIFFUSION FILTER is an optical light diffusion filter combining light transmission with uniformly controlled diffusion

CLAREX® DR-IIIC LIGHT DIFFUSION FILTER
has a color temperature of 6750K.

CLAREX® DR-IIIC LIGHT DIFFUSION FILTER
is available with light transmission from 45% - 93%. It is adaptable to any backlit display. Clarex® DR-IIIC Light Diffusion Filters can be color matched and produced to custom light transmission per the customer's requirement. Subject to minimum quantity requirements.

APPLICATIONS:
Light diffusion filter for color or monochrome LCD display.
 

CONSTRUCTION





PRODUCT DESIGNATION

GRADE No. Color Tone Total Light Transmission

DR-45C

White 45%
DR-50C White 50%
DR-55C White 55%
DR-60C White 60%
DR-65C White 65%
DR-70C White 70%
DR-75C White 75%
DR-80C White 80%
DR-85C White 85%

DR-90C (90%) and DR-93C (93%) are available as a special order.

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THICKNESS and SIZES
GRADE No. SIZE AVAILABLE THICKNESS
DR-45C 400x550mm 2.0mm              
DR-50C 400x550mm 2.0mm 1.5mm            
DR-55C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm        
DR-60C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm 0.6mm      
DR-65C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm 0.6mm 0.5mm    
DR-70C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm 0.6mm 0.5mm 0.4mm  
DR-75C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm 0.6mm 0.5mm 0.4mm  
DR-80C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm 0.6mm 0.5mm 0.4mm 0.3mm
DR-85C 400x550mm 2.0mm 1.5mm 1.0mm 0.8mm 0.6mm 0.5mm 0.4mm 0.3mm

* Available in any shape, cut and printed to the customer’s specification.

OPTICAL PROPERTIES
Grade No. Color
Temperature
Total Light
Transmission
Diffuse Light
Transmission
Parallel Light
Transmission
Haze
DR-45C 6750K 45 % 43 % 2 % 96 %
DR-50C 6750K 50 % 48 % 2 % 96 %
DR-55C 6750K 55 % 53 % 2 % 96 %
DR-60C 6750K 60 % 58 % 2 % 96 %
DR-65C 6750K 65 % 62 % 3 % 96 %
DR-70C 6750K 70 % 67 % 3 % 96 %
DR-75C 6750K 75 % 72 % 3 % 96 %
DR-80C 6750K 80 % 77 % 3 % 96 %
DR-85C 6750K 85 % 81 % 4 % 96 %

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PHYSICAL PROPERTIES
PROPERTY METHOD UNIT VALUE
Reflective Index ASTM D-542   1.49
Heat Distortion Temperature ASTM D-648 °C 110
Maximum Recommended Continuous Temperature   °C 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/°C 7 x 10-5
Pencil Hardness     2H
Heat Resistance 80°C x 100hr   No Change
Cold Resistance -40°C x 100hr   No Change
Humidity Resistance 60°C x 90% x 100hr   No Change
Thermal Cycle -40°C<->80°C
(10 cycles)
  No Change

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CHEMICAL RESISTANCE
REAGENT CHANGE OF APPEARANCE
Ethyl Alcohol (50%) No Change
Isopropyl Alcohol No Change
Soap Aqua Solution No Change
Benzene Swollen

* 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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