Welcome to the World of Near Infrared Absorbing Dyes

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Epolight™ VOIRT dyes

Solvent based systems

These products are known as near infrared cut-on filters or long wavelength band-pass filters.  They are designed to block UV and visible light while transmitting NIR light.

 

Epolight™ VOIRT dye powders are designed for addition to solvent systems such as screen inks.

 

 

 

dye powder

blocks, nm

*transmits, nm

Epolight 7527A

200-675

>835

Epolight 7527B

200-695

>850

Epolight 7527C

200-835

>900

Epolight 7527D

200-875

>950

Epolight 7527E

200-920

>985

Epolight 7527F

200-975

>1035

Epolight 7527G

200-1065

>1185

 
*wavelength where transmittance is > 70% in screen ink printed on PET