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How varnishes, inks, and substrate interact

From: Print Production Essentials: Spot Colors and Varnish

Video: How varnishes, inks, and substrate interact

In addition to adding visual appeal to a printed piece, varnishes have other jobs to do. For example, if you're using an ink that's prone to scuffing, and it's a piece that's going to get handled a lot, or it's going to be mailed, it's a good idea to apply a varnish to protect that ink. And then if you're printing a color on an uncoated stock you're going to lose some vibrancy, because it gets absorbed into the stock. So sometimes, especially on important projects, you can come back in with a tinted varnish that restores some of the color that you lose by the absorpbancy of the stock. And then there are textured varnishes, and they're really interesting. They're a really hard thing to show, it's the sort of thing that you really have to pick up and feel.

How varnishes, inks, and substrate interact

In addition to adding visual appeal to a printed piece, varnishes have other jobs to do. For example, if you're using an ink that's prone to scuffing, and it's a piece that's going to get handled a lot, or it's going to be mailed, it's a good idea to apply a varnish to protect that ink. And then if you're printing a color on an uncoated stock you're going to lose some vibrancy, because it gets absorbed into the stock. So sometimes, especially on important projects, you can come back in with a tinted varnish that restores some of the color that you lose by the absorpbancy of the stock. And then there are textured varnishes, and they're really interesting. They're a really hard thing to show, it's the sort of thing that you really have to pick up and feel.

And, of course, that's part of the appeal. There are varnishes now that can add sort of a sand like texture, and it's sort of an interesting story. Those really arose out of problems with varnishes interacting with each other. And then somebody realize that you could capitalized on that, and actually do it intentionally. So, you'll feel some of those imprinted pieces you encounter. There's also a very popular coding these days called soft-touch, and it feels like velvet. And again, it's the sort of thing that if we photograph, it really just looks like a matte finish, but when you pick it up it's really delicious.

And then there's some oddball things going on. There are some finishes that add sort of a rubbery feel, or a sticky feel. And you'll see those used sometimes, especially in children's book, or in novelty pieces. And although they're helpful for protection, sometimes varnishes can subdue a color, and maybe you don't want that. Inks not just fluorescent inks that tend to scuff if you apply varnish you protect it, but you're also going to lose some of that vibrancy, so you have to decide you know which is more important. And in the past sometimes if you varnished metallic inks you'd lose some luster with them.

But the Newer Pantone Premium metallics don't lose any luster when you varnish them. So, you can protect them, and you're not going to lose any of that wonderful shine. And then here's a little consideration. If you're printing a job on what we call non-paper stocks, such as the Yupo stocks which are plastic, or Tyvek, and you'll hear that called a non-woven stock. You can't really use a lot of the conventional varnishes, so you're going to have to use UV coatings. Is that a big deal? No, it might add a little bit to the cost of the job, but it's something you just kind of have to deal with.

And the whole goal after all is to make sure that your printed piece comes out the way you expect. So, while varnishes in these sense don't really add to look of a piece, they can add to the feel of it or they can add to the permanency of the job.

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  1. 2m 37s
    1. Welcome
      1m 31s
    2. What you should know before watching this course
      33s
    3. Using the exercise files
      33s
  2. 19m 15s
    1. Why spot colors are necessary
      2m 32s
    2. Examples of spot color impact
      1m 45s
    3. Spot or process: Making the decision
      5m 31s
    4. Choosing a spot color
      4m 11s
    5. About the new Pantone Plus color system
      5m 16s
  3. 13m 23s
    1. How spot color inks are created
      6m 8s
    2. Considerations when using certain spot colors
      2m 35s
    3. Effects of stock on color
      2m 6s
    4. Proofing spot and special-mix colors before printing
      1m 0s
    5. Spot colors and digital printing
      1m 34s
  4. 5m 5s
    1. How spot varnishes can enhance a project
      1m 10s
    2. How varnishes, inks, and substrate interact
      2m 30s
    3. Combining different types of varnish to add dimensions
      35s
    4. Aqueous flood coatings
      50s
  5. 28m 26s
    1. Creating a multitone image (duotone and tritone)
      10m 59s
    2. Creating a simple spot color channel
      6m 30s
    3. Creating a touch plate to enhance a color image
      7m 25s
    4. Creating a spot varnish
      3m 32s
  6. 23m 14s
    1. Adding Pantone color swatches
      5m 18s
    2. Using Overprint Preview to proof the display of spot color transparency
      2m 58s
    3. 3D shading: Preview with overprint on
      2m 22s
    4. Converting spot colors to process
      3m 11s
    5. Creating a varnish
      5m 52s
    6. Creating spot gradients
      3m 33s
  7. 17m 44s
    1. Importing art containing spot color content and resolving issues with Ink Manager
      4m 28s
    2. Using Overprint Preview to proof the display of spot color transparency
      2m 30s
    3. Converting spot colors to process
      2m 29s
    4. Creating a spot varnish
      5m 35s
    5. Creating and using mixed inks
      2m 42s
  8. 7m 10s
    1. Examining with Output Preview
      4m 11s
    2. Using preflight profiles
      2m 59s
  9. 1m 9s
    1. What I hope you've learned in this course
      51s
    2. Next steps
      18s

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