Can remain in ink fountains for long periods without drying. Eliminate ventilated storage of sheets during oxidative drying. Similar in use to ultraviolet inks. Uses less solvent than heat-set inks. IPA emissions can cause air pollution problems and may require the installation of pollution control equipment.
Substitutes are available.
Operational adjustments may be required to make them work well, but the alternative cost of air pollution control equipment installation can make the effort economically worthwhile. Waste Solvents Waste solvents are generated when cleaning presses. These wastes are considered hazardous and should be recycled. Solvents may not be disposed of to land. Discharge of solvents to the industrial sewer is, in general, not allowed.