Uv Ink In Screen Printing
UV Screen Printing Ink is an ultraviolet curing ink specially designed for screen printing process. It is mainly used for paper substrates such as paper, cardboard, and paperboard. It can be instantly cured by ultraviolet (UV) irradiation. It has excellent color expression, fast drying characteristics and environmental protection advantages. It is widely used in packaging, labels, advertising printing and other fields.
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Product Introduction
Fast UV curing improves production efficiency
UV screen ink relies on photoinitiators to initiate polymerization reactions under ultraviolet light, and can be cured within seconds, without the natural drying time of traditional inks. This means that post-processing such as die-cutting, folding, and lamination can be carried out immediately after printing, greatly shortening the production cycle. It is especially suitable for large-scale orders or multi-process printing scenarios, and significantly improving factory production capacity.
Excellent paper adhesion and durability
For different paper substrates (such as coated paper, uncoated paper, corrugated paper, art paper, etc.), UV inks are optimized through formulas to form high-strength molecular bonds to ensure that the printed pattern is not easy to fall off or crack in folding, friction or humid environments. For example, in packaging box printing, even after multiple handling or contact with sweat, the pattern remains intact, which is suitable for products that require durability.
Rich color and texture performance
High saturation color: High-quality pigment particles ensure strong ink coverage. Whether it is bright Pantone colors, metallic luster (such as gold and silver) or fluorescent effects, they can present rich and pure colors on paper to meet the visual needs of high-end packaging.
Diverse surface effects: By adjusting the formula, special textures such as matte, high gloss, frosted, wrinkled, and convex can be achieved. For example, in label printing, local UV varnish can be used to highlight the brand LOGO and enhance the dual appeal of touch and vision.
FAQ:
Are there any precautions for using this ink?
Substrate pretreatment: Make sure the paper surface is clean and free of oil stains. For coated paper, confirm the compatibility of the coating to avoid poor adhesion.
Screen parameter adjustment: Select the appropriate mesh according to the fineness of the pattern (such as 200-300 mesh for fine lines and 80-150 mesh for thick ink layers), and control the pressure of the squeegee to ensure uniform transfer of the ink.
UV lamp power matching: Adjust the wavelength of the UV lamp (usually 365nm) and the irradiation intensity according to the curing speed of the ink to avoid under-curing (sticky pattern) or over-curing (cracked surface).
Storage and shelf life: Store in a dark and cool place. The shelf life of unopened ink is usually 6-12 months. After opening, it needs to be sealed to prevent oxidation.
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