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  1. #1
    Premium Member
    chickenbilly's Avatar


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    Default Where did we go wrong?

    Background:

    We wanted to start screening posters. Read the speedball book and several other free publications. Bought 2x2's, 110 polyester mesh screen, diazo emulsion, made transparencies on b/w laser.

    Built screens. Spread emulsion. After a little experimentation we burned screens with 200 watt bulb for 8 minutes at 17" and then washed out the screen and let them dry (screens came out clean and defined to the best of our knowledge). Aquired Speedball Screenprinting Acrylic ink and started pulling prints.

    Problem:

    Little bubbles appear in the print. Not sure why. I was wondering if anyone else had the same issue and knew where we went wrong and how to eliminate the bubbles.

    Thanks,
    Billy (FireBelle Press)

  2. #2
    kozik's Avatar

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    Default

    solution:

    acquire different ink

  3. #3
    Premium Member
    Andymac's Avatar

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    Default

    The mesh is not helping either, 110 is very coarse, more suited to textile. try thinning the ink a bit, to let it flow out...it's probably going to blur, you need a 200 mesh screen or higher.

    speed (ball) kills (enthusiasm for screenprinting)
    Andymac

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

    Todo es empezar.

  4. #4
    kozik's Avatar

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    Default

    220 mesh and some tw or nazdar.

  5. #5

    Default

    Home made screens with 110 mesh. I'll bet you have about 2 Newtons of screen tension, if that. 110 is too low, and loose screens will wreak havoc on your prints.

  6. #6
    caribou's Avatar

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    Default

    did you have enough off-contact (distance from the screen to the paper)? i've noticed that if the mesh sticks to the paper too long, when it pops off, it'll leave bubbles.

  7. #7
    Moderator
    strawberryluna's Avatar


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    Default

    exactly. mostly this happens with a nice combo of not enough tension & too little pressure on the squeegee = too much ink down.

  8. #8
    Premium Member
    steve w's Avatar

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    Default

    Are you using the Textile ink?
    I've been using Speedball for 15 years.
    Higher mesh and off-contact, like they said.
    "I guarantee, the image will not be fade off and you will be pleasure it too. " - a bootlegger
    We need to print a tshirt "Avoid sucker effect!"-Fabio
    "fudge isn't sharp"-phoondaddy

  9. #9
    Platinum Rich's Avatar

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    Default

    glossy coated stock can cause ink to bubble but i'm guessing it's your mesh count.

  10. #10
    andydiesel's Avatar

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    Default

    just buy a couple screens it will make your life much easier.

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