Opus Coolcut BBF is a high-performance semi synthetic watermix fluid specifically designed for the machining of tough ferrous and non-ferrous alloys. Coolcut BBF is a medium oil content product and uses a unique combination of chlorine free lubricity additives to give superb machining performance. Coolcut BBF is an extremely low foaming product and performs well in through spindle and high coolant volume delivery applications. Coolcut BBF is an extremely robust coolant and gives extended service life in the most difficult conditions.