Slurry seal and microasphalt applications are normally cationic systems which may require the addition of a retarder or 'dope' in order to delay the setting time of the slurry for mixing and application. 

Nayler Chemicals have a long history of supplying good quality retarders into this sector, particularly to the UK market.  Nayler Chemicals supply in a range of containers from 25 litre containers up to 1000 litre IBC's