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Customers complaining of chemical smell on printed pieces.

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  • #16
    You can lead a horse to water but you can't make it drink!!!!!
    If your Pressroom or final printed product has an offensive odour, smells or stinks you are doing something wrong.

    We use an ink that has <1% VOC, a fountain solution that is near zero VOC. The press hall does not smell nor do any printed jobs dry with an offensive odour.
    This combination allows us to use one ink set on any stock we print on without the use of a IR drier! Uncoated, matt coated, silk coated, gloss coated, synthetic, plastic.
    Jobs dry faster, have higher scuff resistance, high gloss & a sharp dot structure.

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    • #17
      Heaven at last !!!

      Lukew,

      Go on, Lukew you can tell us all, what this Printers Heaven is really like or is it still Hell ?



      Regards, Alois

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      • #18
        from a Printer's Devil !

        Lukew,


        Now that you are resident in Printers Heaven Pressroom, Xerox Paper should pose no

        more problems.


        Regards, Alois

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        • #19
          Originally posted by Alois Senefelder View Post
          Lukew,


          Now that you are resident in Printers Heaven Pressroom, Xerox Paper should pose no

          more problems.


          Regards, Alois
          Correct Alois. Print & cut same day if needed on that stock now we use this fountain solution & ink. Although we have just gone back to our original stock as the sheeted cut xerox stock was a pain compared to guillotine cut stock.
          The fountain solution plays a critical role in the setting & final drying capabilities of an ink, not to mention its rub/scuff resistance.

          Alois I know your trying to have a dig with your comment. I have a great interest in print, it is from my own research & funds that we are now utilising this product.
          Gather fountain solution material safety data sheets from a bunch of manufacturers and compare. You will notice they are all very similar in ingredient profile with a slight difference in %'s. The main issue with this is you switch from one to another with no real change. The underlying problem is still there.

          Did I say I was in print heaven? No. All I said was with the correct products used, the printed piece should not stink, have drying or scuff issues.

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          • #20
            Lukew, can you share the products you are using to get the results that you have achieved?
            Cheers

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            • #21
              Vegetable oils will absorb oxygen from the air, which cross links in the vegetable oil to cause it to dry. When the vegetable oils cross link, they produce and emit VOCs. So even though the actual measured VOC content may be lower, it’s not uncommon to see a higher veggie oil content resulting in more VOC’s actually being emitted, hence the smell interestingly Black offset paste ink must have at least 40 percent soy oil content to qualify as a soy ink where in order for a heatset web offset lithographic ink to be considered a ‘soy ink,’ it must have 7 percent soy oil content.

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              • #22
                Fundamentals

                Lukew,

                The primary function of fountain solution is to maintain the hydrophilic nature of

                the non-image areas i.e. Desensitization -- not enhance ink properties.



                Regards, Alois

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                • #23
                  Lukew . . .

                  Originally posted by macjmccoy View Post
                  We use soy based inks only and have had some complaints from customers about a "chemically" smell on their final pieces. Has anyone else had these same complaints?
                  the original poster did not say that it stank/stunk they said a "chemically" smell on their final pieces . . . imho their customer might be overly sensitive to odors - I had a doctors appt a couple of days ago and they had a sign that asked the patients not to wear perfume or aftershave, etc so it would not offend their other patients and here on the left coast their are many fragrance free establishments and if you think your print shop doesn't have a "printers odor" in the air you have been there to long . . . you need to take a couple of weeks off and smell what fresh air smells like . .

                  just my 2 cents . . .
                  "If you think you are too small to be effective
                  you have never been in the dark with a mosquito."

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                  • #24
                    Originally posted by Cornishpastythighs View Post
                    Lukew, can you share the products you are using to get the results that you have achieved?
                    Cheers
                    Latest version from Genesis + hyplus 100

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                    • #25
                      Originally posted by Alois Senefelder View Post
                      Lukew,

                      The primary function of fountain solution is to maintain the hydrophilic nature of

                      the non-image areas i.e. Desensitization -- not enhance ink properties.



                      Regards, Alois
                      Indeed that is one of the primary functions. A man of your smarts should know there are also other functions the fountain solution performs.
                      A fountain solution can enhance ink properties, the same as a poor quality fountain solution can hinder ink properties.

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                      • #26
                        Originally posted by Lukew View Post
                        Latest version from Genesis + hyplus 100
                        I have been using Genesis since 1992.

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                        • #27
                          Originally posted by Lukew View Post
                          Latest version from Genesis + hyplus 100
                          Cheers for the information Lukew

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                          • #28
                            If anyone is still interested, soy / vegetable ink goes rancid. That is the stink. Crude based inks do not go rancid.

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                            • #29
                              I always carefully select any service services. This also applies to print services. For the collaboration of printing books, I narrowed down the many offers and settled on this https://eurekaprinting.com.au/. I was attracted by their environmental responsibility. Their digital press production is water-free. Printed examples didn't produce an unpleasant smell. In addition, they provide regional delivery. And this is very convenient.

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