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LithoGard™ WF Gloss Wax-Free Conventional OPV

Above: overprint varnish being applied with a sheetfed litho printing unit. LithoGard conventional litho OPV's are applied using this method.

LithoGard WF sheetfed conventional overprint varnish is Kerley's premium, wax-free, high-gloss, low-color overprint varnish for the highest quality applications that require a non-yellowing finish. LithoGard WF does not contain PTFE or any other wax, so dried films have limited scuff resistance. LithoGard WF gloss OPV is formulated to be used in the press fountain, just like an ink. This means that LithoGard WF varnish can also be used a “spot” varnish for selective application of varnish on the printed sheet. 

LithoGard WF Gloss OPV does accept lamination or stamping readily. LithoGard WF, when properly applied and adequately air-cured, is capable of withstanding rub tests of several dozen strokes. LithoGard WF contains cobalt drier, so it will form a skin when it is exposed to air. 

LithoGard WF will pass Calif. AQMD maximum 300 g/L VOC content requirements, and contains 61% bio/renewable materials.

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