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  1. #1

    Default Emulsion Coating

    hey, I am fairly new to screen printing. I have been doing a lot of paper printing lately and I was curious about emulsion coating.

    I have a 230 mesh count screen and up to now I have been only doing 1 emulsion coat. I'm working with more halftone images now, should I be doing 1/1 coating or more?

    Is there a relationship between halftone count and emulsion coats.

    Thanks for your help.

  2. #2
    Premium Member
    Andymac's Avatar

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    2/2 here.

    high solids high definition emulsion is key to making good halftones. but there are a million other variables. Well, at least 10....
    Andymac

    services www.squeegeeville.com
    equipment www.tmiscreenprinting.com

    Todo es empezar.

  3. #3

    Default

    really, 2 coats each side...gotta try that next time...i always do 1/1 and clean each side with scoop coater. i always thought less emulsion for halftones.

  4. #4
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    I'm surprised to hear 2/2 Andy. Maybe it depends on the emulsion ?

  5. #5
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    emulsion, mesh, coater, technique.

    they all come into play.

    there's a test pattern you can do in the book. gives you 9 variations on one screen, including some wet on dry buildups. Interesting the results.
    Andymac

    services www.squeegeeville.com
    equipment www.tmiscreenprinting.com

    Todo es empezar.

  6. #6
    squeegeethree's Avatar

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    The thicker the emulsion the better the deposit of ink which usually means better halftone dots.

  7. #7
    Josh Rickun's Avatar

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    2/2 wet on wet? or do you wait for it to dry and then recoat it?

  8. #8
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    Quote Originally Posted by Josh Rickun View Post
    2/2 wet on wet? or do you wait for it to dry and then recoat it?
    What this guy here said.

  9. #9
    squeegeethree's Avatar

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    wet/wet >156, wet/dry <156

    We mostly coat 1/1 though
    Last edited by squeegeethree; 10-26-2012 at 08:44 AM.

  10. #10
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    2/2 wet on wet here

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