Address : Hou Zhugezhuang, Fangshan St.,Fangshan district, Beijing, China
sales Dept. : Zang Guozhong +86-10-81333081
Fax : +86-10-81333081
Tel : +86-10-81339532
E-mail: yzwy@yzwychem.com
URl : www.yzwychem.com
products
NSI
Sulfur-free polymerization inhibitor NSI produced by Beijing Yizhong Weiye Chemical Co., Ltd. is used in styrene polymerization inhibitor. It can resist styrene polymerization after prepared injected in rectification system. Our product has stable quality, and our product indexes can be adjusted to meet clients' different requirements.
No. |
Item |
Specification |
Testing method |
1 |
Appearance |
Brown yellow liquid |
Eye measurement under natural light |
2 |
2,4-Dinitrophenol(wt%) |
≥ 12 % |
QB/YZWY-02 |
3 |
Water content(wt%) |
without free water |
Eye measurement |
4 |
Mechanical impurities(wt%) |
≤ 0.1 % |
GB/T 511 |