Eliminating waste is a key part of lean manufacturing initiatives. It’s also important when it comes to using adhesive.
Dispensing is inherently wasteful. Some waste is unavoidable. Every dispensing process is going to have some kind of material waste, whether it is the priming of a pump or material left in supply vessels or hoses. For example, a small amount of unused adhesive will always remain inside a mixing nozzle at the end of a run.