Products by Zhejiang Hongda Chemicals 12

Optical Brightening Agent OB-1 by Zhejiang Hongda Chemicals acts as an optical brightening agent. It gives an appearance...

4,4’-bis(4,4’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluores...

4,4’-bis(3,4’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluores...

7-Diethylamino-4-methylcoumarin. Acts as a multipurpose brightener with an excellent whiteness, good solubility as well ...

4,4’-bis(2,2’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluores...

4,4’-bis(2,3’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluores...

Optical Brightening Agent MM by Zhejiang Hongda Chemicals acts as an optical brightening agent for polyester fiber. It i...

Optical Brightening Agent KCB by Zhejiang Hongda Chemicals acts as an optical brightening agent for synthetic fiber and ...

4,4’-Bis[2-(2-methoxyphenyl)ethenyl]-1,1’-diphenyl. Acts as an optical brightening agent with an appearance of slight ye...

Optical Brightening Agent EBF by Zhejiang Hongda Chemicals is 2,5-Bis(2-benzoxazolyl)thiophene. Acts as a whitening agen...