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Choice of mesh
Product overview of Sefar mesh
Questions about screen printing mesh
How does the mesh nomenclature work?
Why is dyed mesh used?
Yellow-dyed mesh prevents light undercutting of the film positive during exposure
When UV light strikes a yellow thread, only yellow light is reflected – which does not affect the emulsion
Dyed mesh should always be used for printing fine lines, text and halftone images
When exposing with CtS (Computer to Screen) the impact of dyed mesh is considerably reduced
What is the significance of the weave?
Weave describes the way the warp and weft threads are interwoven
Sefar uses plain and twill weaves
What is mesh opening?
What is the maximum resolution for a given mesh regarding lines?
What is the maximum resolution for a given mesh regarding half-tones?
Questions about stencil-making
Why is it necessary to pre-treat mesh before coating it with emulsion?
What is a step exposure?
How to make a step exposure?
What problems can occur with stencils with direct emulsion?
What is the correct coating thickness?
Questions about half-tone printing
How must films be angled in 4-color printing?
How can I avoid moiré interactions between the mesh and the film?
What is a printing process line?
What half-tone rulings can be printed?
General questions about screen printing
What are the possible reasons for color shifts within a print run?
How can the snap-off distance be measured?
What is the relationship between 'mesh distortion' and the snap-off distance?
Para ajudá-lo a encontrar suas respostas com rapidez, subdividimos o FAQ em seções separadas: malha, tensionamento, estampa em estêncil, meios-tons e serigrafia.