The 2 part FMT6390 is an exceptionally strong polyurethane adhesive for bonding small steel parts with a 20 minute working time. Bond or declamp time is 4 hours Applying heat at 60 C will reduce declamp time to 1-1/2 hours Working time : 20 minutes Bonding time: 4 hours Full curing time: 24 hours Using this cold weld metal to metal panel bond will give you many advantages over hot welding. No welding spots to grind Removal of internal panels and rubber gaskets is not required Does not deform metal Electronics do not need to be disconnected Self sealing adhesive Colour: Black Cartridge size 50ml This metal to metal bond cartidge will require a mixing and dispensing gun such as the FMT6339 or FMT6335 Not Included. Each cartridge is supplied with a 1:1 mixing nozzle and replacement nozzles are available in packs of 10. FMT6350, Nozzle Not Included This metal to metal bond has a large number uses and can be used in automotive, construction, marine, agricultural, industrial, recreational