Silver ink used with screening

A
Posted By
adobe
Nov 20, 2004
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419
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3
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Closed
Hi,

I would like to recieve advice on using Pantone 877 (silver) printed on dark media (in my case blue).

To achieve this result I converted my grayscale image to MultiChannel. I added one channel with 100 percent blue to simulate the Blue media, I inverted my original grayscale and set it to Pantone 877 ink with 100% solidity.

The result looks ok and I look forward to see it printed !

But here is my issue:

How can I be sure of the printed result? What dot gain percentage shall I use?

My printer says that silver doesn’t screen well!

Has anyone tested something similar?

Any positive or negative experience welcome …

Maybe do any of you know a better way to do this ?

Best Regards.

—
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W
WharfRat
Nov 20, 2004
in article 1gniyap.s6b61312lppouN%, bennok at
wrote on 11/19/04 4:10 PM:

Hi,

I would like to recieve advice on using Pantone 877 (silver) printed on dark media (in my case blue).

To achieve this result I converted my grayscale image to MultiChannel. I added one channel with 100 percent blue to simulate the Blue media, I inverted my original grayscale and set it to Pantone 877 ink with 100% solidity.

The result looks ok and I look forward to see it printed !
But here is my issue:

How can I be sure of the printed result? What dot gain percentage shall I use?

My printer says that silver doesn’t screen well!

Has anyone tested something similar?

Any positive or negative experience welcome …

Maybe do any of you know a better way to do this ?

Best Regards.
—
Metallic inks bleed like crazy.
You might expect 40-60% gain

MSD
T
tacitr
Nov 20, 2004
But here is my issue:

How can I be sure of the printed result?

Put most simply: You can’t. Your monitor, and even a contract proof, will not represent metallic inks well. So it’s kind of a crap shoot; what you get may look great, but it also may not be what you expect.

Metallic inks tend to be fairly opaque (at least when compared with other inks), so it’ll probably look OK. Remember, though, they are not completely opaque! Fill the area in your spot color file underneath the silver spot channel with about 60% of the blue, to get a better idea of how the blue of the paper will show through the ink.

What dot gain percentage shall
I use?

Hard to say without knowing the paper stock and press you’ll be using. However, metallics do tend to have significantly more dot gain than other inks.

My printer says that silver doesn’t screen well!

Not true; I’ve printed halftones with silver ink several times. However, because of the high degree of dot gain, you’ll have to lighten the halftone significantly; it’ll darken considerably on press.

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A
adobe
Nov 22, 2004
Tacit wrote:
Metallic inks tend to be fairly opaque
(at least when compared with other inks), so it’ll probably look OK. Remember, though, they are not completely opaque! Fill the area in your spot color file underneath the silver spot channel with about 60% of the blue, to get a better idea of how the blue of the paper will show through the ink. >
What dot gain percentage shall I use?
Hard to say without knowing the paper stock and press you’ll be using. However, metallics do tend to have significantly more dot gain than other inks. The paper itself is special. it has shiny elements in its structure.

My printer says that silver doesn’t screen well! Not true; I’ve printed
halftones with silver ink several times. However, because of the high degree of dot gain, you’ll have to lighten the halftone significantly; it’ll darken considerably on press.

Thanks for the very valuable info. I feel more confortable now. I will probably be able to convince my client to take the risk!

It will probably have less contrast than printed blue on white (the other option) but will look more distinctive in the end.

Thanks again 🙂

Benno. — First take the hat off. Then we can talk!

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