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構造：
| 外観 | White Powder |
| 式 | C24H30O6 |
| CAS番号. | 135861-56-2 |
| EC番号. | 413-110-2 |
| Boiling point °C | 245-255 |
| 密度（20℃）g/ml | 1.195 |
| 水分(%) | ≤0.1% |
| particle size(mesh ) | ≥320 |
| HS Code | 2905440000 |
| Addition amount(%) | 0.18-0.24 |
| パッケージ | 20kg/PE bag |
| 保存条件 | 乾燥状態で密閉,室温 |
| 同義語 | dimethyldibenzylidene sorbitol,1,3:2,4-ビス(3,4-dimethylobenzylideno) sorbitol |
NP-828 is a sorbitol-based transparent nucleating agent, a small amount added
to polypropylene can significantly improve the transparency of the product.
NP-828 is applied to homopolymerization and random copolymerization polypropylene,
which can significantly reduce the haze of PP products, improve the transparency and
surface gloss of products, improve the rigidity and heat resistance of materials, improve
the crystallization rate and crystallization temperature of PP, shorten the molding cycle of
製品, and improve production efficiency. This product is insoluble in water,
non-toxic and tasteless, excellent heat resistance, can be used in the production of household
and food contact with high-grade transparent polypropylene products.
室温で保管してください, 直射日光を避けてください
外見: 外観検査
純度分析: ガスクロマトグラフィー (GC)
酸価: 電位差滴定
含水量: 水分計
屈折率: 屈折計
密度: 密度計
性能比較
Not added NP 828 VS Added 0.22% NP828 on Random Copolyed PP Product
| アイテム | Unit | Random Copolyed PP Product | |
| Not added | added 0.22% | ||
| Nucleating Agent Addition | % (wt) | 0 | 0.22 |
| Melt Mass Flow Rate | g/10min | 25 | 26 |
| Tensile Yield Stress | Mpa | 28 | 30 |
| Bending Modulus | Mpa | 1080 | 1260 |
| Simply Supported Beam Impact Strength | kJ/m 2 | 3.8 | 3.8 |
| Load Deformation Temperature | ℃ | 83 | 87 |
| Haze | % (wt) | 51.4 | 10.6 |
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