colorless, solvent-based liquid primer used to make polyolefin and other low energy surfaces suitable for bonding with LOCTITE cyanoacrylate adhesives.LOCTITE SF 7701 is a colorless, solvent-based liquid primer used to make polyolefin and other low energy surfaces suitable for bonding with LOCTITE cyanoacrylate adhesives. It is only recommended for difficult-to-bond substrates which include PE, PPL, PTFE and thermoplastic rubber materials. It is not recommended where high peel strength is required. It is suitable for use in the assembly of disposable medical devices.