Loctite instant universal low viscosity toughened gel amp flexible adhesives loctite 3090 loctitereg 30908482 is a two component fast curing gap filling adhesive with excellent bonding characteristics to a variety of substrates including plastics rubbers and metals it is designed for the assembly of parts with varying or undefined bond gaps up to 5mm 02 in or for applications where complete cure of excess adhesive is a requirement the gel consistency prevents adhesive flow