Printech Archives, May, 1997: Re: soy based ink information

Re: soy based ink information

Gary Miller (
Fri, 23 May 1997 07:54:23 -0500


Good discussion on this interesting issue. For more information you can
call the National Soy Ink Information Center (Jo Patterson) at 515-251-8640.

>The following is being forwarded on behalf of Michelle Carstensen:
>Re: soy inks
>Unfortunately, there is a lack of standardization in using the SoySeal
>logo. These informal standards, established by the ASA, refer only to
>the soybean oil component of the ink. This excludes other vegetable
>oils that might be present and, it is my understanding, that the
>percentage is meant to reflect the oil content of the ink only (NOT
>including pigment or resin). These are the recommended percentages:
> -black news ink = 40%
> -sheetfed ink = 20%
> -coldset ink = 30%
> -color news ink = 30%
> -heatset ink = 7%
> -business forms ink = 20%
>In my opinion, the use of the Soyseal logo is somewhat misleading,
>because it does not explain that, in addition to some small percentage
>of soybean oil, the ink can contain significant quantities of
>petroleum-derived components. I am hoping that the ASA will reevaluate
>its criteria for using the Soyseal logo, especially in light of new 100%
>soybean oil inks that will be on the market. Maybe these new inks
>should than have a "100% Soybean Oil" logo to distinquish itself from
>the SoySeal standards. This, of course, remaines to be seen.
>Michelle Carstensen



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