Dual cure: DELO DUALBOND completes curing in a matter of seconds In some settings and applications, it is impossible to cure just with light – so we rely on dual cure. Especially when it comes to components with larger shadow zones, dual curing offers significant advantages: It combines the option of light curing with reliable results in shadowed areas by offering another curing mechanism: heat or humidity, for example! For great results, pick a DELO dual cure adhesive!