General
HyCon® R 7400 F is a construction additive retarder in powder form. HyCon® R 7400 F is used for retardation of gypsum based dry mortars for flowable and non-sag applications.
It is a setting retarder with a sharp setting profile without effecting the early strength.
The selective retarder delays the gypsum formation without effecting the Co-binder e.g. ordinary Portland cement
Fields of flowable and non-sag applications: self-levelling underlayments (SLU), flowable floor screeds and facade (plasters, renders, putties, skim coats) and joint fillers.