Mottling - appears as an uneven or blotchy solid on the printed piece.

Ink is emulsifying
Improper ink/water balance. (see Emulsification)
Ink is too tacky
Reduce ink.
Insufficient cylinder or form pressures
Adjust pressure settings.
Ink is drying in the rollers
Reduce the ink. Eliminate the use of dryer additives.
Burnishine recommends using our fountain solutions to combat this issue: Universal Fountain Solution, Universal SM Fountain Solution, Universal Fountain Solution - SM Plus, Ultrafount Fountain Solution. Our solutions can help maintain proper pH and conductivity during press runs.