3M™ Scotch-Weld™ Urethane Adhesive DP-620NS is a back, long working time, two-component polyurethane. Formulated as 1:1 ratio liquids. With the squeeze of the trigger, or with automated dispensing the components are automatically mixed and dispensed through a static mixer tip as a bubble-free, non-sag paste. At room temperature the mixture will set within 4 hrs and fully cure in 48 hours at room temperature. Cure can be accelerated with heat.Information provided by 3M |