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adhesion

  1. Huge Mistake, vinyl on paint

    Whelp, I've been lurking these boards for over three years now. I figured my first post should be one of meaning. Well.. now it is. And I'm hoping one of you might be able to assist me with my own muck up. I work in a small sign shop and I'm trying to help a woman with a 8' x 4' metal sign she...
  2. Blistering From Paint Mask Removal

    Hey guys I could really use one help right now. I have done HDU signs before, I’m having some serious issues with paint blistering when removing paint mask l. I am in the process of finishing 2 6’x8’ signs. In the center of the signs there is a large crest that Im attempting to gold leaf but...
  3. Question JFX 200, problems with adhesion, formula changed for LH-100 CL

    We observed a change in adhesion in the last two month regarding extruded acrylics. We used to print 1% of LH-100 Clear Ink under our LUS-150 Color Inks as a primer and had really good results. After complaining for quite a time now one of the technicians told us that Mimaki changed something in...
  4. HELP VINYL LETTERING NOT STICKING TO WALLS!!

    I've had several installs where my vinyl lettering will not stick without lots of tricky holding and peeling of the transfer tape. My research shows this has been due to certain types of paint, color and paint off gassing. The vinyl brand I use is Oracal 631 and 651. I don't really have any...
  5. Need Help primer for magnets digital printing

    I'm printing on magnet material with a JFX200 mimaki and get pretty good adhesion using Kolorcure primer, but when to go cut these magnets on our Colex cutter the ink slightly chips off of the edges. Are there any primers out there anyone uses that are really good or specifically for magnet...
  6. Suggestions Spray Adhesion Promoter

    Has anybody tried this stuff for adhesion to Coroplast etc? Feedback? Adhesion Promoters
  7. Printing To A Whiteboard Uv

    Anyone do UV printing directly onto a white board?
  8. UV Printing on Mylar - Adhesion Promoters or Corona Treatment

    Hi All, I'm new to the world of flatbed UV printing and I'm having a bit of trouble getting inks to stick properly to mylar films. Or, generically, polyethylene terephthalate (PET/BoPET). We have a new Mimaki JFX200-2513 which prints beautifully, but the inks don't stick well on these films...
  9. UV ink printing on corregated yard sign material

    I have a Mimaki JFX200 flatbed printer that uses UV ink. I'm having some trouble getting it to bond well printing on corrugated material like the material used for yard signs. I have 2 primers from Nazdar that I've tried that work great for most everything else, except it doesn't help bond to...
  10. Compatable Ink that works in Ricoh Gen 4 heads that will adhere to Acrylic

    Good Evening, Curious if anyone has any knowledge of any particular digital ink that will work in a Ricoh Gen 4 heads? The current ink we are using will not adhere to the acrylic without requiring an additional pass of UV (cure setting almost maxed out). The white that we are using adheres...
  11. FUJI flat bed - plexi ink peeling problem

    Hey All! Just started at a new shop and they have a FUJI flat bed. It's an OCE just rebranded. They are having a problem with ink sticking to plexi glass. I never noticed a problem with the OCE at the old place. Plexi panels came and went very well. This particular job is a black text/white...
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