- Functions:Water Repellent
- End Uses:Offset Ink
Optilith™ 4 A is a Lawter™ water fighter compound. Optilith 4 A is a high solids, low volatile, lubricating compound. Optilith 4 A effectively reduces water pick-up in lithographic inks at 0.5 to 2% usage levels. It is functional across a broad range of fountain solutions and can be added during formulation or as a press-side additive.