Description Duxone DX18 Activator SLOW 1LT. Automotive Paint Duxone DX18 Activator Standard – Reactive chemicals that induce polymerisation in 2K coats. Reactive chemicals that induce polymerisation in 2K coats are called activators. There is a Duxone® activator for every application and circumstance – from surfacer to clear. Offering the activating behaviour you need when you lay down a Duxone 2K coat.