Fluorescent and IR Security Inks
Code List
UV-invisible Long¡¢Short ¡¢Dual Wave
IR Laser to visible Security Inks
Thermo-chromic Inks
Special Inks
Code List
Desensitizing ink
Intelligent machine readable ink
Security Light And Discriminators
DELI-980 Laser Light Pen Discriminator
DELI-101 Handset UV Light Detector
DELI-203 UV Light Multifunctional Discriminator
Security Pigments
Code List
Invisible fluorescent
Invisible infrared
Security Fibers and Dots
Code List
UV fluorescent invisible fibers
General colored fibers
IR fibers
Fluorescent particie(or dot)
IR invisible partice(or dot)
Thermo-chromic partice(or dot)
Peking University Anti-counterfeiting/Security Technology

Security & Anti-Counterfeiting Pigments

We offer a wide range of invisible Fluorescent and Infrared Pigments, which are colors in regular light, to highly specialized Security & Anti-counterfeiting pigments. Our full line of Fluorescent, Infrared and Specialty Pigments are unique colorants that are used in security inks, fibers, papers, dots, labels, paints, plastics, special effects and tracers, product identification, authentication, dual images, art, crafts and novelty applications. Dr.YAO has the right quality of pigment for you.

Usages: There are many and very important security fields such as paints, inks, anti-counterfeiting inks, anti-fraud, document security, and any application where an invisible Fluorescent and infrared pigment is needed. Due to the cost and availability of this dye it is really hard for people to duplicate, adding an extra level of security.
Available in: One kilogram, three kilograms, Five kilograms plastic bag. Large units are available upon request.

(1)Invisible Fluorescent and Infrared Pigments List
We offer a wide range of Fluorescent and Infrared Pigments. They are very bright or white colors in regular light, to highly specialized Security & Anti-counterfeiting pigments. Our full line of Fluorescent and Specialty Pigments are unique colorants that are used in security labels, fibers, dots, paints, plastics, inks, special effects and tracers. Dr.YAO has the right quality of pigment for you.

There are many and very important security fields such as paints, inks, anti-counterfeiting inks, anti-fraud, document security, and any application where an invisible Fluorescent and infrared pigment is needed. Due to the cost and availability of this dye it is really hard for people to duplicate, adding an extra level of security.
Dr.YAO 's fluorescent and infrared pigments are primarily used in security inks and specialty applications. Keep in mind we also have clear and invisible fluorescent and infrared.

 

Code
Product
Appears
Excitation /Emission
Light (nm)

Emission Spectrum
DELI-01
Invisible
infrared Green
White
780/980/545
DELI-02
Invisible
fluorescent Red
Off-White
365/618
DELI-03
Invisible
fluorescent Yellow
White
365/560
DELI-04
Invisible
fluorescent Green
White
365/493
DELI-05
Invisible
fluorescent Blue
White
365/485
DELI-06
Invisible short wave
length fluorescent Green
White
254/547

(2) Thermo-Chromatic Pigments List

Code
Product
Appears
Excitation Temperature (¡æ)
Color¡úColorless(When heating)
DELI-11
Scarlet¡úcolorless
Scarlet
6-65¡æ
DELI-12
Bright red¡úcolorless
Bright red
6-65¡æ
DELI-13
Rose¡úcolorless
Rose
6-65¡æ
DELI-14
Peachblow¡úcolorless
Peachblow
6-65¡æ
DELI-15
Olive-drab¡úcolorless
Olive-drab
6-65¡æ
DELI-16
Sapphire blue¡úcolorless
Sapphire blue
6-65¡æ
DELI-17
Black¡úcolorless
Black
6-65¡æ
DELI-18
Golden¡úcolorless
Golden
6-65¡æ
DELI-19
Golden¡úcolorless
yellow
6-65¡æ
Colorless¡úColor(When heating)
DELI-21
Colorless¡úScarlet
White
65¡æ
DELI-22
Colorless¡úBlack
White
65¡æ

(3)The spectrum and properties of powder samples for inks

1. DELI-01 Infra-red Powder(DELI-1ºìÍâ·Û)
Excitation: 980nm Laser light
Composition: Inorganic rare earth complexes
2.DELI-02 Fluorescent Red Powder(DELI-2Ó«¹âºì·Û)
Excitation: Long wave length UV light(365nm)
Composition: Organic europium complexes
3.DELI-03 Fluorescent Yellow Powder(DELI-Ó«¹â»Æ·Û)
Excitation: Long wave length UV light(365nm)
Composition: Organic complex
4.DELI-04 Fluorescent Green Powder(DELI-4Ó«¹âÂÌ·Û)
Excitation: Long wave length UV light(365nm)
Composition: Organic derivative & complex
5.DELI-05 Fluorescent Blue Powder(DELI-5Ó«¹âÂÌ·Û)
Excitation: Long wave length UV light(365nm)
Composition: Organic derivative & complex
6.DELI-06 Fluorescent SWL Green Powder(DELI-6¶Ì²¨Ó«¹âÂÌ·Û)
Excitation: Short wave length UV(254nm)
Composition: Organic terbium complexes


Data Sheet(or MSDS) of all pigments will be builded.

The best way to learn about these products is to use them in your own environment and mails to Dr.YAO. Some information of DELI-01 Invisible Infrared Pigment is available at present.
£¨1£©DELI-01 Invisible Infrared Pigment Data Sheet
Product Description :
Dr.YAO's invisible infrared pigment is stable, light fast, and can be used with a variety of security inks, fibers, solvents, plastics. Used in security inks and other applications where an invisible yellow fluorescent hue is needed. Due to the nature of this dye it is used extensively in high end security inks and theatrical materials.
Used In :
Paints, inks, anti-counterfeiting inks, anti-fraud, document security, and any application where an invisible infrared pigment is needed. Due to the cost and availability of this dye it is really hard for people to duplicate, adding an extra level of security.
Technical Information :
Appearance: White powder.
Chemical Type: Metal complex.
Chemical Class: Inorganic pigment.
Excitation: 980 nm
Emission: 540 nm,Green.
Bulk Density: 3.4g/cm3
Melt Point: >1200¡æ
Molecular Weight: 324.42
Particle Size:D0 -10nm
Particle Size: d10 min 2.1 u; d50 max 34.6 u; d95 max 136 u
£¨2£©DELI-02 Invisible Fluorescent Red
£¨3£©DELI-03 Invisible Fluorescent Yellow
£¨4£©DELI-04 Invisible Fluorescent Green
£¨5£©DELI-05 Invisible Fluorescent Blue


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