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  1. #1
    shbmedia is offline Junior Member
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    Default Need Help with my Final Exam!

    Hi all,

    I'm a New Media Publishing Undergrad student at the Rochester Institute of Technology and I am struggling a bit with my Print Production Workflow final exam. Don't worry, it's a take home final and my professor encouraged the class to seek out resources of any kind to help us, so I'm not cheating by asking

    Anyways the question I'm truly stuck on is as follows-

    Explain how expected dot gain ranges for the following paper grades, be sure to mention which has the most dot gain and which has the least, and why.

    Grades 1-2
    Grades 3-5
    Uncoated(groundwood)

    I already know the basic idea that uncoated absorbs more ink and therefore has the most dot gain, but I have no idea what grades 1-2 and 3-5 are exactly. Any help would be appreciated.

    Also two small second questions I could use help on is which two print manufacturing processes are used to print trading card wrappers and then the text on pills, such as the word Advil on advil pills, my best guesses so far are flexography for the wrapper and inkject for the pill.

    Thanks for any and all help!

  2. #2
    Yoga's Avatar
    Yoga is offline Member
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    Thumbs up

    Would somebody please respond?
    Label Printer

  3. #3
    Lukas Engqvist's Avatar
    Lukas Engqvist is offline Senior Member
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    Default the grades are probably the ISO 12647-2 grades

    I assume the grades are those in ISO papers.

    Second sounds reasonable, may be digital or inkjet for pills, I know many digital printers are selling towards med industry.
    Last edited by Lukas Engqvist; 02-25-2011 at 01:14 AM.

  4. #4
    mazengh is offline Senior Member
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    Default

    I could give you the answers, but I would suggest you go to ECI [ECI.ORG]
    then go to the downloads section and download the ICC profiles eci_offset_2009.zip file. This file contains the ICC profile for each of the paper grades, and it also contains a PDF file for each ICC created. These PDF files explain what paper types are. I am not sure how if there is dot gain information included; i don't remember so.

  5. #5
    michaelejahn's Avatar
    michaelejahn is offline Senior Member
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    Default PaperSpec.com

    Quote Originally Posted by shbmedia View Post

    Grades 1-2
    Grades 3-5
    Uncoated(groundwood)

    I already know the basic idea that uncoated absorbs more ink and therefore has the most dot gain, but I have no idea what grades 1-2 and 3-5 are exactly. Any help would be appreciated.
    PaperCatalog.com - Classification and Grading of Papers

    I do not think you can correlate TVI with a specific grade of paper. We do not use "dot gain" anymore.
    Michael Jahn - Slightly used PDF Evangelist
    Simi Valley California

  6. #6
    gordo's Avatar
    gordo is offline Senior Member
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    Default

    And the key statement on that website...drum roll...."There are no published standards, specifications or trade customs in the paper industry."

    Could you imagine if car manufacturing made use of parts with no published standards, specifications or trade customs? (Well maybe it seems that way sometimes LOL)

    best, gordo

  7. #7
    michaelejahn's Avatar
    michaelejahn is offline Senior Member
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    Default cymbal crash

    well, yes, the paper industry is the paper industry.

    I always love to look at the crazy chart found here and wonder "why"

    it is paper - can we come up with a simple language to even describe it, we have been using paper for a few thousand years...

    Paper Weight - Conversion Chart

    why i oughta....
    Michael Jahn - Slightly used PDF Evangelist
    Simi Valley California


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