LOCTITE® 404 is a transparent, colorless to straw colored, low-viscosity instant adhesive (industrial grade) designed for bonding plastics and elastomeric materials. It allows for very fast-fixturing for ease of assembly and handling: especially suited for quick repairs. It has been qualified to Commercial Item Description A-A-3097 (Note: this is a regional approval).-Ideal for O-ring assembly-Designed for bonding of rubber (elastomeric) materials and plastics-Ideal for quick repairs-Qualified to Commercial Item Description A-A-3097 (This is a regional approval)