Sodium naphthalenesulfonate (high efficiency water reducing agent) Product name: Sodium naphthalenesulfonate Appearance: light brown powder Type: SNF-A, SNF-B, SNF-C PH value: 7~9 CAS No.: 36290-04-7 Commodity code 38244010 Sodium naphthalene sulfonate formaldehyde, also known as SNF/PNS/FND/NSF, can be used as a high-efficiency concrete water reducing agent. In fact, SNF water reducing agent is widely used in cement and construction industries. For example, it has strong dispersion to cement particles and high water reduction rate to concrete. When added to concrete, it can not only save cement and improve the compatibility of concrete, but also speed up the construction progress. This product has good effect on formulating many kinds of concrete such as high flow concrete. Besides, it can also improve the performance of concrete.