Naphthalene jerin superplasticizer wani superplasticizer ne mara iska wanda aka haɗa ta masana'antar sinadarai.Sunan sunadarai Naphthalene sulfonate formaldehyde condensate, mai sauƙin narkewa a cikin ruwa, barga na zahiri da sinadarai, sakamako mai kyau, babban aikin rage ruwa ne.Yana da halaye na babban tarwatsawa, ƙananan kumfa, babban raguwar ruwa, ƙarfi, ƙarfin farko, ƙarfafawa mafi girma, da ƙarfin daidaitawa ga ciminti.