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1.Will be the 465 mesh enough to make good quality photo print?I`m using halfltones 90 lpi.Can anydody show me how will the print look like(on tee) using 55 lpi halftones and how using 90lpi?

2.How big should be the off contact beetwen the platen and the frame in a press?

Thanks Roman
 

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1. On t-shirts, you print on a rough surface that more air than knit threads and there is a limit on how strong the print will look as the dots get smaller, thus "thinner", (less ink deposit). You can print it, but it won't look so good. 60-65 lines per inch is the high standard on 305-330 threads per inch mesh.

2. The best off-contact distance is just enough to pull the mesh from the ink film - which is the job of mesh tension. The best print is with a combination of high tension, low off-contact and stiff blades.
 

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Discussion Starter #3
So, that means that better combination than 465 mesh and 90 lpi haltones photo will be 330 mesh and 65 lpi halftones photo?Will this look better?And what is drawing the limit?Thanks
 

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Tshirts don't have a smooth surface like e.g. CDs. CD printing is done at 120lpi or so with uv inks and can look fine.
Because you are printing fine halftones, your mesh will be finer and thinner, meaning less ink is actually deposited on the surface. This gives less colour saturation especially with plastisol inks which are designed for lower lpi and higher application weights.
Higher lpi will be harder to print - moire with the fabric is an issue as is holding a dot.
From usual tshirt viewing distance 65lpi will be more than adequate.
 
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