Optex Superbuild Catalist 946ml

4:1 Polyester Primer Catalyst - 946 ML 4:1 Polyester Primer Catalyst is a patented, epoxy enriched catalyst that provides unsurpassed performance when mixed with Evercoat's line of 4:1 polyester primer surfacers. It provides end users with an easier mix ratio than conventional polyester primers and provides a more uniform mix.