This is Foam 2 Foam from Deluxe materials it is a new high-tack glue specially designed for the latest generation of foam model aircraft. It bonds Depron, white, blue and EPS foams, wood and plastic it dries clear and flexible.
Foam 2 Foam should be applied sparingly to one surface and the parts then brought together and held firmly for 5-10 seconds. The new squeezy tube package makes it easier and more economical to use. Foam 2 Foam develops maximum strength in 1-2 hours. Excess can be cleaned off with alcohol.
Flyers report that joints made with Foam 2 Foam are more resilient than other types of glues including foam safe cyanoacrylate and as a consequence their models often survive mid air crashes.