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Weatherall Equipment & Instruments Ltd
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CLAREX® U.V. CUT FILTER

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. Colour 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 SIZE:
Grade No. Size Available Thickness
CL-001 400x550mm 0.2mm 0.3mm 0.5mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm
N-169 400x550mm 0.2mm 0.3mm 0.5mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm
N-190 400x550mm 0.2mm 0.3mm 0.5mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm
N-113 400x550mm 0.2mm 0.3mm 0.5mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm
N-039 400x550mm 0.2mm 0.3mm 0.5mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm

PHYSICAL PROPERTIES:
PROPERTIES 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 C 110 110
Maximum recommended continuous temperature C 80 80
Coefficient of Thermal Expansion ASTM D-696 cm/cm/C 7 x 10-5 7 x 10-5
Specific Heat ASTM D-638 cal/grC 0.35 0.35
DURABILITY        
Heat Resistance 80C x 100hr   No Change No Change
Cold Resistance -40C x 100hr   No Change No Change
Humidity Resistance 60Cx90%x100hr   No Change No Change
Thermal Cycle -40C <-> 80C
(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.

SPECTROPHOTOMETRIC TRANSMISSION CURVES: