Amazon.com: Seamax Commercial Grade 2 Part Marine Adhesive for All PVC and Hypalon Inflatable Boats, Sealed in Aluminum Bottles for Long Term Storage ( Hypalon 250ml 2 Part Glue, with Dark Grey Material) :
Two part glue for neoprene and hypalon
Stabond 2 Part Hypalon & PVC Inflatable Boat Adhesive