365nm Inorganic UV Fluorescent Purple Powder – High-Stability Anti-Counterfeiting Pigment for Security Printing, Document Protection & Industrial Inspection

Our 365nm Inorganic UV Fluorescent Purple Powder is a premium-grade anti-counterfeiting pigment engineered for high-security applications requiring invisible authentication under normal lighting and intense purple fluorescence under 365nm UV excitation.
This specialized inorganic phosphor remains completely invisible under sunlight and indoor lighting, emitting a vivid, bright purple glow when activated by 365nm long-wave ultraviolet light, making it an ideal solution for currency security, document protection, brand authentication, and industrial quality control.
Wellcome feel free to contact us for samples customization or support-upgrade your products with 365nm uv fluorescent purple powder!
Specification:
Excitation Wavelength: 365nm (long-wave UV-A)
Emission Color: Bright Purple / Violet
Appearance (Sunlight): Off-white powder
Heat Resistance: <600°C
Particle Size: Fine powder for smooth application
Daylight Visibility : Completely invisible
UV Reactivity: Instant, bright fluorescence
Chemical Resistance: Excellent – resistant to solvents, acids, alkalis
Light Stability: Excellent – minimal degradation under UV exposure |
In order to get the best effect, it is very important to choose the correct 365nm uv fluorescent pigment. In our product series, the key characteristics such as brightness, solubility, absorption wavelength, light resistance and thermal stability are different. We offer a range of options to meet different needs. Please contact us for personalized help.
365nm UV Fluorescent Pigment Application:
1.Advanced Anti-Counterfeiting Printing
Currency/Documents
365nm uv fluorescent pigment can be used in banknote security threads and invisible markings on passport/visa pages. Displays specific colors (e.g., blue/green) under 365nm UV light, invisible to naked eye but detectable by currency validators. Provides strong anti-replication properties.
Product Authentication Labels:
Micro-dosed pigments incorporated into pharmaceutical packaging and luxury goods labels. Consumers can verify authenticity using portable UV flashlights, offering low cost and user-friendly operation.

2.Industrial Inspection & Quality Control
- Non-Destructive Testing & Cleaning Validation
- Metal/Composite Crack Detection: Used with penetrants that seep into cracks, fluorescing under 365nm UV light with micron-level sensitivity.
- Material Uniformity Analysis Plastic/Coating Dispersion Testing: Incorporated into masterbatches or coatings. Fluorescence distribution indicates mixing uniformity for process optimization.
3. Consumer Goods & Creative Industries
- Entertainment & Fashion Design
- UV-Themed Scenes: Invisible murals in bars/body art at music festivals, revealing dreamlike blue effects under blacklights (365nm).
- Toys & Cultural Products
- Educational Toys: “Invisible ink” in science kits; children reveal hidden patterns with UV pens for fun learning.
- Art Derivatives: Limited-edition prints with concealed layers activated by UV light for special visual effects.

4.Research & Specialized Fields
Electronics Manufacturing
PCB Alignment Marks: Printed on circuit board non-functional areas; recognized by 365nm UV lithography systems for automatic exposure alignment.
LCD Photoresists: Serves as photoinitiator component responsive to 365nm exposure sources, forming high-precision BM (Black Matrix) patterns.
Why Choose Nichwell's UV Fluorescent pigment
- Trusted Quality & Expertise:
- ISO-Certified Manufacturing: Rigorous QC ensures batch-to-batch consistency.
- Technical Support: Dedicated R&D team for custom formulations (e.g., solvent compatibility, particle size adjustments).
- Global Compliance: REACH, ISO9001 options available.
- Fast Logistics: Reliable global shipping with real-time tracking.
- Industry-Specific Solutions: 10+ years serving security, ink, and coating manufacturers with tailored UV fluorescent pigments.
- Choose reliability—partner with specialists in UV fluorescence technology.
UV fluorescent pigment packaging
Packaging specifications: 1kg/5kg/10kg per package, outer cardboard box packaging. Special packaging can be provided according to customer requirements.
UV fluorescent pigment Storage conditions
Normally stored at room temperature, in a dark, dry, and sealed area to prevent moisture and heat.