Gorilla Contact Adhesive Ultimate is an incredibly strong, permanent contact adhesive that resists heat and moisture. Our formula has an aggressive tack that can be used on a variety of materials and surfaces, both indoors and out. The adjustable anti-clog nozzle is easy to use and offers three ways to spray web pattern, for a narrower or wider application. Adhesive Type: Aerosol Spray; Product Packaging: Can; Washable/Removable: No; Color on Application: Light Yellow.