What is the difference between coating and varnish

However, it is more difficult to recycle than the other coatings. UV coating is applied as a separate finishing operation as a flood coating or applied by screen printing as a spot coating. Keep in mind that this thick coating may crack when scored or folded. Varnish coating are available in gloss, satin or matt finishes, with or without tints. Varnishes offer a relatively low degree of protection compared to other coatings and laminates, but they are used widely, thanks to their low cost, flexibility and ease of application.

Varnishes are applied just like an ink, using one of the units on the press. Varnish can either be flooded across the entire sheet or spot applied precisely where desired, to add extra gloss to photos, for example, or to protect black backgrounds.

Although varnishes must be handled carefully to prevent the release of harmful volatile organic compounds into the atmosphere, when dry they are odorless and inert. Aqueous coating is more environmentally friendly than UV coating because it is water based.

It has better hold-out than varnish it does not seep into the press sheet and does not crack or scuff easily. Aqueous does, however, cost twice as much as varnish.

Aqueous comes in gloss, dull, and satin. Like varnishes, aqueous coatings are applied inline on press, but they are shinier and smoother than varnish, have higher abrasion and rub resistance, are less likely to yellow and are more environmentally friendly. Aqueous coatings dry faster than varnishes too, which means faster turnaround times on the press. Available in gloss or matt finishes, water based coatings offer other advantages as well. Because they seal the ink from the air, they can help prevent metallic inks from tarnishing.

Specially formulated aqueous coatings can be written on with a number two pencil, or overprinted using a laser jet printer, a key consideration in mass mail projects.

Aqueous coatings and UV coatings as well are also susceptible to chemical burning. In a very small percentage of projects, for reasons not fully understood, certain reds, blues and yellows, such as reflex blue, rhodamine violet and purple and pms warm red, have been known to change color, bleed or burn out.

Heat, exposure to light, and the passage of time can all contribute to the problem of these fugitive colors, which may change at any point from immediately after the job leaves the press to months or years later.

To help combat the problem, ink companies now offer more stable, substitute inks that are close in color to ones that tend to burn, and these inks are often used to print light tints or bright colors.

Even so, burning can still occur and dramatically affect the look of the project. Laminate is a thin transparent plastic sheet or coating that is usually applied to covers, post cards, etc.

Laminates come in two types: film and liquid, and can have a gloss or matt finish. As their name suggests, in one case a clear plastic film is laid down over the sheet of paper, and in the other case a clear liquid is spread over the sheet and dries or cures like a varnish. Laminates protect the sheet from water and are therefore good for coating items like menus and book covers.

Laminates are slow to apply and costly but provide a strong, washable surface. They are the superior choice for protecting covers. Laminates offer the greatest protection and are unbeatable in a variety of applications, from maps to the menus, business cards to magazines. But with their greater weight, time, complexity and expense, laminates are typically not suited for projects with extremely large press runs, limited life spans or short deadlines.

If laminates are used, there may be more than one way to achieve the desired results. Combining a laminate with a heavier paper stock produces a thicker finish at a lower cost. Adding to this, the fact that now, more than ever, packaging carries its own sense of brand loyalty-building through unboxings and streamings.

From earthy, natural designs to sophisticated, classy looks, Refine Packaging has your needs covered with the very latest in proven printing techniques that truly bring your packaging to life. The best way to truly understand how the expert printers, packaging specialists and artists at Refine Packaging can help you is to give us a call or fill out our free, no obligation quote estimate form.

Tell us more about your packaging, your product and your goals. Using varnish as a way to finish your packaging is just one of the many processes we can employ to give your packaging an edge that helps make it more attractive among other products on the shelves.

There are a variety of ways to add a touch of elegance, beauty, style and much more to the finished packaging to make it impactful and attention-getting. Contact Refine Packaging today to learn more about the wide variety of options we can use to help make your product packaging look jaw-droppingly good and let our experts walk you through the process, as well as answer any questions you may have. Refine Packaging makes it simple to design and order custom boxes and affordable packaging online.

Contact us today to learn more about your options to bring your packaging vision to life. Home » Blog » What is Varnish? What is Varnish? Table of Contents. What is Varnish in Printing and Packaging? Fast Turnaround Business Days. You may also like What is Aqueous Coating for Printing and Packaging? Matte vs. Embossing vs.

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