In the last few years, a further requirement has come to the fore: to reduce employees’ exposure to smelly solvent fumes, the printing sector is looking for inks that are formulated with the mildest-possible solvents. The fumes of mild or “eco” solvents are neither harmful to health nor noticeably malodorous. Examples are certain glycol ethers and glycol esters. Such “eco-solvent printing inks” are intended for print shops or advertising agencies that use DOD printers. In the case of inks for CIJ printers, the odor is a minor problem as these printers are used exclusively in an industrial production environment where solvent vapors are extracted as necessary.
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