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구조：
| 모습 | 백색분말 |
| 공식 | 씨24H30O6 |
| CAS 번호. | 135861-56-2 |
| EC 아니요. | 413-110-2 |
| 끓는점 °C | 245-255 |
| 밀도(20℃)g/ml | 1.195 |
| Moisture(%) | 0.1% 이하 |
| particle size(mesh ) | ≥320 |
| HS Code | 2905440000 |
| Addition amount(%) | 0.18-0.24 |
| 패키지 | 20kg/PE bag |
| storage condition | Sealed in dry,Room Temperature |
| 동의어 | dimethyldibenzylidene sorbitol,1,3:2,4-두번(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
제품, 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.
실온에서 보관, 직사광선을 피해서
물리적 외관: 육안 검사
순도 분석: 가스 크로마토그래피 (GC)
산가: 전위차 적정
수분 함량: 수분 분석기
굴절률: 굴절계
밀도: 밀도계
Performance comparison
Not added NP 828 VS Added 0.22% NP828 on Random Copolyed PP Product
| 안건 | 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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