GRA 324 Study Guide - Flexography, Grammage, Newsprint
3 Dec 2013
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Which ink tools should be washed with water: none. In print attributes text which printing process uses raised image carrier: flexography. In ink mixing text what lighting is used: d50 lighting (d50 means 5000 degrees calvin, standardized colour of lighting) First the ink sets into the paper then theres oxidative polymerization. First tear it with the grain then against the grain. Blower and suction air is used in the press. When paper fiber absorbs moisture it tends to grow wider. Plate and blanket cylinders have undercuts, undercuts are cylinders spaced apart. In the gripper margin of the press sheet nothing is printed. Victoria bond 35x45 168m, calculate the basic weight and grammage: basic weight 20lb, grammage 75 gsm. What are the four sides of a press: operator, drive/gear, feeder, delivery. Anti setoff spray is used to prevent set off. More ink is used on uncoated paper because it absorbs ink right away.
