Glue is an intermediate that connects two materials. It is mostly used as a water agent. It belongs to fine chemicals and has a wide variety. It is mainly classified by adhesive, physical form, hardening method and adherent material. Common instant glue (common -1203 instant adhesive - ethyl cyanoacrylate strong instant adhesive is a kind), epoxy resin bonding, anaerobic glue, UV glue (ultraviolet light curing), hot melt Glue, pressure sensitive adhesive, latex, etc.