Ordinary solvent ink contains aromatic solvents (toluene, xylene). Some international ink companies in the Chinese market first introduced non-aromatic solvent inks, alcohols, esters, ethers, ketones, gasoline as a solvent, eliminate aromatic solvents can cause hazard. Former solvent inks for flexo printing, are basically non-aromatic hydrocarbons, but still a lot of volatile organic solvents, mainly will affect the air quality of the printing shop. Residual odor in print are rare, may will have a small amount of odor in the composite prints exist, but cannot be found in the print.
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