Sodium Naphthalene Sulphonate Formaldehyde

The naphthalene-based superplasticizer is a non-air-entraining high-efficiency water reducing agent synthesized by the chemical industry. Chemical name Naphthalene sulfonate formaldehyde condensate, which has strong cement particle dispersibility.

Properties

The water reducing rate of superplasticizer can reach more than 20%. It is mainly naphthalene series, melamine series and water reducing agent compounded by them, of which naphthalene series is the main, accounting for 67%. In China, most superplasticizers are naphthalene superplasticizers with naphthalene as the main raw material. Naphthalene superplasticizer can be divided into high concentration products (Na2SO4 content < 3%), medium concentration products (Na2SO4 content 3% ~ 10%) and low concentration products (Na2SO4 content > 10%) according to the content of Na2SO4 in its products. Most naphthalene superplasticizer synthesis plants have the ability to control the content of Na2SO4 below 5%, and some advanced enterprises can even control it below 0.4%.

CAS No.

36290-04-7

Formula

C11H9NaO4S

Molecular Mass

472.442

Exact Mass

472.003

PSA

131.16000

Logp

5.55360