Modern UV-invisible ink is mainly made by a fluorescent derived from things in nature that glow when exposed to an ultraviolet light. The main components include dilute laundry detergent, body fluids, tonic water and vitamin B-12 dissolved in vinegar.
What is UV-curable ink?
The UV-curable ink is cured and adhered to the media or substrate by UV radiation. The print is already dried when it comes out of the printer, allowing a short delivery request to be met. Printing on non-absorbent materials, including plastic, glass, and metal, is available.
How does UV light cure ink?
The process of UV ink curing has been around since the 1960’s and uses high intensity ultraviolet light to create a photochemical reaction. By using the proper intensity of UV wavelengths, a byproduct is produced that hardens resin and dries inks.
Which one is used for curing purpose in UV-curable inks?
Medium-pressure mercury-vapor lamps have historically been the industry standard for curing products with ultraviolet light.
What is the base of UV ink?
The basic make-up of UV-curable inks consists of four components: monomers, oligomers, pigments, and photoinitiators.
How do UV inks work?
The UV curing process is based on a photochemical reaction, using light instead of con-ventional curing with heat. Liquid monomers and oligomers are mixed with a small per-centage of photoinitiators and are exposed to UV-light as energy source. The ink hardens instantly.
Does UV light cure paint?
UV radiation efficiently cures coatings such as paints, inks and adhesives within seconds. Moreover, paints and adhesives need almost no solvents and, in most cases, less energy is consumed. In addition, UV-cured surfaces are long-life and resistant to abrasion and scratching.
What is a solvent based ink?
Solvent based inks include pigment and resin (binder), together constituting the solid component of the ink, diluted using a solvent. Solvent based inks are used for printing in two distinct technologies – Gravure Print and Flexo Print. PVB Inks: designated for lamination works requiring higher lamination strength.
Are UV inks solvent based?
The UV printing process is kinder to the environment. Because UV-cured inks are not solvent-based, there are no harmful substances to evaporate. Enjoy sharper, crisp and more vibrant results.
