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Dispersant NAS

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

 

700

 

3. Applications, package and storage

1) Dispersant NAS(Ⅰ)and dispersant NAS(Ⅱ) is used as emulsifying agent in producing synthetic resin ABS and chlorobutyl 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.

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