Printech Archive
Re: Source for Estimating Litho Ink Coverage

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From: Jeff Adrian (
Date: Mon Oct 05 1998 - 02:59:04 CDT

                      RE: Source for Estimating Litho Ink 10/5/98

It has been my experience that ink coverage numbers have been provided by the various ink manufactures, i.e. Flint Ink, etc. These numbers are usually expressed in the number of square inches of coverage per pound of ink. Using this factor as a starting point, one can then take into consideration both the number of colors printed and then the typical percentage of coverage that represents the printing done at any given facility to then arrive at potential emissions once press size and running speed are factored in.

Checking my files, I see that I have used the factor of one pound of heatset web ink at 100% coverage will cover 374,000 square inches.

Again, the best source for this information I know of is the ink manufacturers. Hope this is useful.

Jeff Adrian
The John Roberts Company
Wayne Pferdehirt wrote:
>Forwarded to Printech from D. Eggleston of CA:
> Does anyone know where I can get some authoritative data for
> estimating litho ink coverage on various types of substrates? I
> have a matrix that estimates amount of ink per square-inch, and
> covers most inks and substrates, but there is no reference as to
> who made the matrix or where the information came from. I use
> this matrix to calculate the ink emissions portion of the
> potential to emit for new or modified presses, and I am concerned
> that I cannot verify the source and validity if questioned by our
> local regulatory agency. >
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