Naphthalene based superplasticizer is just the goods same as sodium naphthalene sulfonate formaldehyde ( or poly naphthalene sulfonate) which its HS code is 3824401000.

Naphthalene based superplasticizer Na2SO4 in accordance with its products, the level of content can be divided into high-concentration products (Na2SO4 content of "5%), the concentrated products (Na2SO4 content of 5% ~ 10%) and low-concentration products (Na2SO4 content of "18%). Most of customers choose Na2SO4 content 18% is enough and its water reducing rate will go up to 18%-22%, for 5%, will be higher and bad effect on stell will be less.

Naphthalene based superplasticizer play a very important role in mordern buiding business, every city construction fields can not stand without its using.Naphthalene series water reducer is often used in the preparation of high fluidity, high strength, high-performance concrete. Pure naphthalene superplasticizer admixture of concrete slump loss faster. In addition, the naphthalene superplasticizer and some need to improve the adaptability of cement.