Printech Archive, October, 1998: Re: mercury in inks?

Re: mercury in inks?

Doreen Monteleone (
Fri, 30 Oct 1998 12:17:42 -0500

Mercury has not been in flexo printing inks in at least 30 years.

More details would be necessary to determine if the source of the ink may
be from a third world country. Even so, the ink should have been tested
before used in the US.

Doreen M. Monteleone
Director of Environmental Affairs
Flexographic Technical Association

At 11:44 AM 10/30/98 -0500, you wrote:
>Question to everyone, but especially flexo people.
>A person in my office heard that there might be mercury in some of the
inks that are used to print the red bags for biohazard use that hospitals
and other medical facilities use.
>Is this possible? Is there mercury in any printing ink?
>Dave Wintz

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