Loctite structural bonding adhesives loctite 1778011 loctite 4090 is a two component general purpose adhesive that provides a very fast fixture time at room temperature it is designed to bond a variety of substrates including metals most plastics and rubbers loctite 4090 provides good temperature and moisture resistance which also makes it suitable for applications in high temperaturehumidity environments its thixotropic nature makes it suitable for applications where good gap filling p