CLAREX® Precision Products
Search the Astra Products Website >>>

NEW & UPCOMING PRODUCTS

Infra-Red (IR) Cut Filters
Piano Black Filters
Coated Polycarbonate Filters
Super Hardcoat
Low Moisture Absorbing PMMA

Contact ASTRA for Details

CLAREX® PRODUCTS
See our
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
Send Astra a Message:
Inquire, request, suggest...

Your Name:


Email Address:


Message: For fast response, please include phone number.



Confirmation:
Please type following to send message.


Contact Astra Products
Company

CLAREX NEAR-INFRA-RED
(NIR) FILTER

NIR Filter DescriptionsThicknesses and SizesPhysical Properties



CLAREX® NIR Filters provide
precise transmissive properties.

CLAREX® NIR FILTER transmits infra-red rays and absorbs visible rays.
There are 5 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

* NIR-85N is not available in 0.5mm thickness.


TOP of PAGE

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 customers specification.

TOP of PAGE

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
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   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

TOP of PAGE

 
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



Popular Links Page · Website designed and deployed by Industrial Advertising, Inc.