Dispersant NAS
1. Introduction:
The product is a condensate compound of sodium naphthalene sulfonate formaldehyde.
2.Specifications
|
Item |
NAS(Ⅰ) |
NAS(Ⅱ) |
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|
|
Appearance |
Uniform yellowish powder |
Uniform yellowish powder |
|
|
|
Humidity %< |
6 |
6.0 |
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|
|
Sodium sulfate content % |
5-10 |
3.5 |
|
|
|
Ph value (2% water solution) |
9.6 – 10.4(2%) |
9.6 – 10.4(10%) |
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|
|
Sulfate ash % |
28-35 |
28-33 |
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|
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Ferric content (as Fe2O3) %≤ |
0.003 |
0.003 |
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|
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Alkalinity (as Na2Co3) %≤ |
0.80 |
0.80 |
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|
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Water insoluble impurity content %≤ |
0.06 |
0.06 |
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|
|
Calcium content (CaO) %≤ |
0.04 |
0.035 |
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|
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Cu、Mn ppm≤ |
5 |
5 |
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Polymerization experiment |
Qualified |
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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.