Shaoxing ZhengGang Chemical Co. Ltd.

Dispersant NAS

• Category :

  Catalyst and Auxiliary/Rubber Auxiliary Agent

• CAS NO :

• EC NO :

• Molecular Formula :

• Molecular Weight :

• Main Specifications :

• Product description :

  1. Introduction:

       The product is a condensate compound of sodium naphthalene sulfonate formaldehyde.

      2.Specifications

  Item	NAS(Ⅰ)	NAS(Ⅱ)
  Appearance	Uniform yellowish powder	Uniform yellowish powder
  Humidity                        %<	6	6.0
  Sodium sulfate content             %	5-10	3.5
  Ph value (2%  water solution)	9.6 – 10.4(2%)	9.6 – 10.4(10%)
  Sulfate ash                      %	28-35	28-33
  Ferric content  (as Fe2O3)         %≤	0.003	0.003
  Alkalinity  (as Na2Co3)           %≤	0.80	0.80
  Water insoluble impurity content    %≤	0.06	0.06
  Calcium content  (CaO)          %≤	0.04	0.035
  Cu、Mn                     ppm≤	5	5
  Polymerization experiment	Qualified
  Average molecular weight	700

   

   

     3. Applications, package and storage

     1) Dispersant NAS(Ⅰ)and dispersant NAS(Ⅱ) is used in producing synthetic rubber.

         2) Storage: Store it in a cool, dry and ventilated warehouse.

        3) Package: Paper bag lined with plastic woven bag, 25kgs/bag net, the shelf life:     two years.