I am new to screen printing and had the same problem a few weeks back. Im curious to know what the solution is as well.
Neewbie help printing hoodies
I have a quality issue when printing on hoodies. My prints always seem real textured like the ink is lifting or pulling fibers from the substrate. Same ink and mesh works fine on tees.
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hoodies can be tough, off contact is critical.
I've found it also helps sometimes to pre press them in the heat press
I've found it also helps sometimes to pre press them in the heat press
Sounds like you are might be printing with white ink. Raise your off contact, soften the ink and make sure you clear the screen.
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FYI - also check the material content of the hoodies - unlike many shirts which are 100% cotton, lots of hoodies are a mix and you may need a non-bleed ink. I also chuck them through the conveyor drier first to make sure I don't have any shrinkage issues after the the initial flash in a p-f-p. I also found with a blended hoodie, my flash time reduced significantly, when compared to a cotton t-shirt. normally 12 seconds for me on a shirt to make the ink tacky - reduces down to 8 seconds with the same ink, same flash height for a blended hoodie, (flash not adjusted for the extra hoodie thickness).Sounds like you are might be printing with white ink. Raise your off contact, soften the ink and make sure you clear the screen.
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I ended up buying diamond white ink, (obviously for the white I was printing)! which seems to have a bit of puff additive in it. A really nice smooth creamy ink. I think it comes out great on hoodies - a robust print which swells slightly to give a bit of a raised profile. p-f-p was plenty enough for me to get a great print. Off contact was adjusted for the hoodies' extra thicknes over a T-shirt.
Richie
You can also Heat Press them for 5 to 10 seconds at about 325 after your initial cure. This will soften them up, and make them shiny. Don't forget to use Parchment Paper or a Teflon Sheet.
Instead of buying new ink I use a little Curable Reducer. Thins the ink.
Instead of buying new ink I use a little Curable Reducer. Thins the ink.
I also use webbing adhesive on my platen rather than spray tack on hoodies
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