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Nucleating Agent SSNC-3:
Nucleating agent SSNC-3 promotes the resin to crystallize by
providing crystal nucleus and makes the structure of the crystal grain fine,
thus improving the products’ rigidity, heat distortion temperature, dimension
stability, transparency and luster. In addition, nucleating agent SSNC-3
can shorten the molding cycle of products, expand the processing conditions and
strengthen the smoothness. Nucleating agent SSNC-3, the third
generation of sorbitol nucleating agent, has the same chemical
structure and application performance with Milliad 3988. Compared with the
first generation DBS and the second generation MDBS, it has superior biological
applicability, as it is non-toxic and tasteless and will not produce
undesirable smell when processing. Nucleating agent SSNC-3 is
especially applicable to resin of top-grade polypropylene products, such as
medical supplies and food packaging. And it is more suitable for food packaging
materials than the second generation.
Performance IndicesSSNC-3:
Items |
Performance & Indices |
Appearance |
White tasteless powder |
Loss on Drying,≤% |
0.5 |
Melting Point,℃ |
255~265 |
Granularity (Head) |
≥325 |
Application SSNC-3:
Nucleating agent SSNC-3 is especially applicable to transparent
plastic products like medical supplies, stationery, beverage packaging,
transparent cups, bowls, basins, plates, CD boxes and so on, also fit for the
high-temperature sterilization products and widely used in PP sheet and
transparent PP tubes. It can directly be used after mixing with PP dryly and
also be used after being made into 2.5~5% seed grains. Generally, the
transparency of 0.2~0.4% nucleating transparent agent is rather significant.
The proposed amount of addition is 0.2~0.4% and the processing temperature
is190 ~ 260 ℃.
Packaging & Storage SSNC-3:
10 kg per compound bags, the nucleating
agent SSNC-3 is preferably preserved in a cool and dry place. It
can be stored for three years before unsealing; and the bag should be tied up
if the bag is unsealed and the product is not used up.