Skip to content

Uviflex Invisible Blue: UV Flexo Varnish for Covert Marking and Security

Uviflex Invisible Blue is a UV-curable flexographic varnish formulated for instant curing and absolute transparency under standard lighting conditions. This specialized coating reveals its luminescence exclusively under ultraviolet light (black light) or automated inspection systems. It is the ideal technical solution for integrating discreet marking, optimizing quality control, and ensuring traceability and anti-counterfeiting protection in premium packaging, all without altering the aesthetic design of the container or label.

Technical infographic: Uviflex Invisible Blue

Operational Advantages on Press

  • Discreet and secure marking: Enables the invisible integration of codes, patterns, and machine-readable signals for strict product authentication.
  • Instant UV curing: Delivers maximum productivity and on-press stability, operating with 100% solid technology.
  • High mechanical durability: Exhibits excellent scratch, rub, and intensive handling resistance during post-printing processes (die-cutting, lamination).
  • Substrate versatility: Guarantees perfect anchorage and broad compatibility across paper, cardboard, and all types of plastic films.

Technical Specifications

ParameterValue / Description
Technology UV Base (100% Solids)
Application Flexo varnishing unit or coater (spot or full coverage)
Detection UV black light or luminescence inspection systems
Curing Conventional UV lamps or UV LED (dose control required)
Compatible Substrates Industrial paper, cardboard, and plastic films

Logistics and Handling

  • Packaging formats: Available in 20 kg pails and 200 kg drums (opaque containers to prevent polymerization).
  • Storage conditions: Store in a dry, well-ventilated area at temperatures between 15°C and 25°C. Protect from direct sunlight and heat sources.
  • Shelf life: 12 months from the date of manufacture when kept in its original, unopened container.
  • Safety: UV-based product. Personal Protective Equipment (PPE) is required. Refer to the Safety Data Sheet (SDS) for proper handling procedures.