polycure Wet Edge Extender 3320 is a blend of volatile solvents specifically formulated for use in Polycure polyurethane coatings. Used to enhance the flow characteristics of polyurethane under conditions of very high temperature and/or humidity, dry windy atmosphere or very low temperature. It is also for use on large floor areas requiring maximum wet edge time. Wet Edge Extender 3320 is suitable for use in Polycure single pack moisture curing (DURAPOL), two pack polyurethanes (POLYTHANE) and non yellowing (CRYSTAPOL®) finishes. Available in 1ltr and 4ltr can.