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Screen Printing Overview - Murakami Screen

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4/C Process<br />

When printing black ink use a black<br />

specifically designed for process<br />

printing. Regular black is too<br />

strong and does not print halftones<br />

well.<br />

Some designs need very little<br />

black, some designs do not need<br />

the black plate at all.<br />

To determine proper mesh mutiple<br />

the halftone line count by 4.5 for<br />

the correct mesh.<br />

45 line halftone output at 7 degrees<br />

x 4.5 = 202.5 so a 200 tpi (threads<br />

per inch) will print with no moire.<br />

65 line x 4.5 = 292.5 so a 300 tpi<br />

screen will print without moire as<br />

long as the starting halftone angle<br />

is 7 degrees. There are many<br />

angles that won’t moire, 7 degrees<br />

for the first screen helps.

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