How to Apply a Semi-Gloss Finish for a Flawless, Streak-Free Result?

Does your brand's packaging fail to catch the eye when displayed in stores? You give buyers a sense of quality by packaging your product in a smooth and shiny manner. The process of achieving a perfect semi gloss finish can be challenging. Bumpy and streaky surfaces ruin your professional image. Business owners can follow this guide to apply a Semi-Gloss Finish to custom boxes and labels without making common mistakes. 

What is a Semi-Gloss Finish in the Printing World?

A semi gloss finish is a special coating that is applied to printed boxes and labels. The paper gets a soft shine from it. As a matte finish, it is right between a flat matte and a highly reflective gloss. Your brand colors pop perfectly because of this shiny layer that protects the ink from rubbing off.

An Explained Process How To Apply a Semi-Gloss Finish On Packaging

If you want to add a semi-gloss finish to your packaging, you must work carefully to achieve the best results. Using the exact method step by step, printing companies can give your brand boxes a smooth and shiny appearance.

Step 1: Surface Preparation and Cleaning for a S mooth Look

It is very vital to begin by making sure the paperboard is completely clean. There will be bumps in the final coating due to dust, oil from the hands, and tiny paper scraps. The workers at the factory use soft brushes and special air blowers to remove every piece of dirt and debris. In the absence of a clean surface, the semi gloss finish will appear messy and uneven. If the box surface is perfectly clean, the liquid coating will adhere properly and dry perfectly flat.

Step 2: Primer Application and Sanding for Better Sticking

Sometimes, it is necessary to add extra help to the base material before applying the final shine. It is necessary for workers to apply a primer as a base coat. In addition to filling in tiny holes in the paper fibers, this primer also reinforces the paper. If any rough spots remain after the primer dries, the surface should be lightly sanded. In this step, a solid base is created so that the semi-gloss finish can stick firmly. Priming and sanding takes time, and if you don't prime and sand properly, the final coat won't soak into the paper as quickly.

Step 3: Thin Layer Coating Deployment over the Ink

It is a big miscalculation to pour on too much liquid. A semi gloss finish is applied very thinly over the printed ink by printing machines. It is best to apply thin coats to prevent ugly drips and unwanted streaks. Each inch of the custom box is evenly coated with liquid coating by factory rollers. There is nothing better than a thin layer that looks and feels completely smooth to the touch. The result is a perfect medium shine that doesn't appear too heavy or thick.

Step 4: Controlled Drying and Curing of the Coating

Drying wet boxes requires the right environment. In a special drying area, the factory moves the freshly coated packaging. To cure the semi-gloss finish quickly, they use heat or UV lights. Dust does not fall on the wet boxes as a consequence of this carefully controlled process. A quick and steady cure also locks in the bright colors underneath the shine. You must allow the boxes to dry completely before folding or shipping them.

Step 5: Final Polishing and Inspection of the Printed Boxes

Last but not least, check that everything looks perfect for your brand. During quality control, workers look for mistakes under bright lights. A semi-gloss finish should be free of bubbles, missing spots, or streaks. It is sometimes useful to polish the surface with a soft machine to give it an extra clean appearance. The only boxes that pass the test are those with a flawless shine. You will receive superior packaging every time.

Order Your Finished Boxes Today

Working with printing and packaging experts makes it easy to achieve a flawless semi-gloss finish. Purchase packaging from Print247, the most trusted packaging supplier in the US. Our services include free design support, environmentally friendly materials, fast shipping, and physical samples for quality assurance. We also offer zero-cost and prompt shipping on all custom orders.