on the nozzle must be purged. Use the corresponding purging / flushing agent Jowat 930.94 in cartridge or pellet form and observe the processing and safety s
https://www.jowat.com/en-US/newsroom-detail/holzher-information-using-pur-hot-melt-in-the-holz-her-glujet-jowatherm-reaktantr-6080001/