lokbond 272 high temperature studlock: Resistant to temperatures up to 230,Gap filling formulation for larger diameter, coarse threaded parts. Uses : steel mill conveyor bolts, furnace mounting bolts. Lokbond 277 high strength: Resistant to chemistry excellently,locking the screw up to M36 for permanently . Lokbond 243 nutlock: Medium strength, rapid curing threadlocker, removable with hand tools. Repid cure speed gives 10 minute handling strength. General purpose, suitable for most nut and bolt locking applications. packing : 250ml if you want to know another information about lokbond,plesae contact me directly !