In the uncured liquid state, UV and EB inks are no more flammable than conventional inks and may be less flammable because they contain little or no solvent, oils or rosin. Once they are applied and cured, the binders of UV and EB inks are highly cross-linked polymers similar to conventional inks based on based on polyester, urethane, acrylic and/or epoxy chemistry. In fact, since they normally do not contain residual oils or rosin, articles printed or coated with UV formulations should be less flammable than those produced with conventional inks and coatings.
Courtesy of Ron Golden rgolden@focalconsulting.com
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