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R+D HyCon R 7400 F

R+D HyCon® R 7400 F is a powder retarder construction additive. This setting retarder is used for calcium sulphate based flowable dry mortar products.



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.


  • Low VOC formulations
  • Efficient calcium sulpahte retardation