https://www.jfchemtech.com/products/naphthalene-superplasticizer/ Naphthalene Based Superplasticizer Formaldehyde is commonly referred to as a concrete superplasticizer. It is particularly well-suited for the production of high-strength concrete, steam-cured concrete, flowing concrete, impermeable concrete, waterproof concrete, plasticized concrete, as well as reinforced steel bars and prestressed concrete structures. Furthermore, sodium naphthalenesulfonate formaldehyde can also serve as a dispersant in industries such as leather, textiles, dyes, and others.