Joncryl ECO 84 Styrene acrylic resin Johnson Polymer North America South and Central America Acrylic Resins >> Styrene/ acrylic copolymer Inks INKS >> Varnishes / Over print varnish Joncryl ECO 84 is 45% solids, ultra low VOC styrene acrylic resin solution of JONCRYL ECO 684 for high gloss overprint varnishes. Ultra low VOC styrene acrylic resin solution. Used for high gloss overprint varnishes.