Norland Optical Adhesive 164


Norland Optical Adhesive 164 is clear liquid adhesive that will cure when exposed long wavelength ultraviolet light. NOA 164 is recommended for bonding for glass to glass. Adhesion is also good to cellulose acetate butyrate. NOA 164 is cured by ultraviolet light between 315 to 395 nm. Full cure requires 6 Joules/cm 2 . The adhesive exhibits oxygen inhibition when used as a coating.  To overcome this the adhesive must be cured under an inert atmosphere, such as nitrogen. This adhesive when fully cured is soft and rubbery.



Typical Properties of NOA 164



Refractive Index


Temperature Range

-15° C to 90° C

Viscosity @ 25C

 60-80 cps

Elongation at Failure        41.1%
Shore A          27



Keep NOA 164 in a cool(5-22 ° C) dark place. If refrigerated, allow the adhesive to come to room temperature before using.


Care should be taken in handling the this material. The material Safety Data Sheet should be read for this product. Prolonged contact with skin should be avoided and affected areas should be washed thoroughly with copious amounts of soap and water. If adhesive gets into eyes, flush with water for 15 minutes and seek medical attention.



Spectral Transmission of NOA 164

(thru 1 mil film thickness)

 2000nm      99.0%

  1500nm      99.0%

  1000nm      97.5%

    750nm       97.4%

    650nm       97.2%

    550nm       96.8%

    500nm      96.5%

   450nm      96.1%

   350nm      90.0%


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