Thiopropionic acid TDPA
2,4-dinitrophenol
Antioxidant DLTP
Antioxidant DSTDP  
NSI 
Coking defoaming agent YZW-005
 
Polymerization inhibitor-1403
 

Address : Hou Zhugezhuang, Fangshan St.,Fangshan district, Beijing, China
Postal Code : 102400
Chairman : Zhang Zhenying
                     +86-10-69328752
Fax : +86-10-69328763
Tel : +86-10-69328752
Sale Dept. : Li Zhenhai     
                       +86-10-69328630                        +86-13910262175

 

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


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