CLAREX® NIR (Infra-red) FILTER

CLAREX® NIR FILTER transmits infra-red rays and absorbs visible rays.
There are 6 types of infra-red filters which transmit through the ranges of 670nm to 860nm.
FEATURES:
•  Transmit infra-red rays.
•  Excellent optical characteristics.
•  No double refraction.
•  Available smooth surface or anti-glare surface.
•  Available scratch-resistant.
 


SPECTROPHOTOMETRIC TRANSMISSION CURVES:



NIR FILTER DESCRIPTIONS:


The New Clarex NIR Filters significantly increase operational parameters
for a variety of applications and are immediately available.

NEW NIR FILTERS
Type No. Color Tone Infra-red transmission
NIR-70N Black Transmit from 670nm
NIR-75N Black Transmit from 730nm
NIR-80N Black Transmit from 760nm
NIR-85N* Black Transmit from 810nm
NIR-90N Black Transmit from 860nm
T-57006 Black Transmit from 720nm

* NIR-85N is not available in .05mm thickness.

THICKNESS and SIZE:
Type Size* Available Thickness
ALL TYPES 400x550mm 0.5mm,0.8mm,1.0mm,1.2mm,1.5mm,2.0mm,2.5mm,3.0mm,4.0mm, 5.0mm

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

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 ºC 110 110
Maximum recommended continuous temperature ºC 80 80
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   W >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




For more information concerning any of our products,
call us at (516) 546-4315 or fax to (516) 868-2371.
You may also email us or write to:
ASTRA PRODUCTS, INC · P.O. BOX 479 · BALDWIN, NY 11510 USA