A non-flammable, all purpose medium evaporating wash for use on both sheetfed and web presses. In one step, CS 90 effectively removes ink and contaminants from rollers and blankets. It does not require a water rinse, but can be used with water to remove paper lint and coating. CS 90 can be used on automatic blanket wash systems for sheetfed and coldest web presses. Do not use CS 90 on automatic blanket wash systems for heatset web presses! CS 90 is emulsifiable with water to help in the removal of water soluble contaminants.