Optical Brightener OB-1

2018-09-05 13:12上一篇 |下一篇

t can greatly improve the whiteness of recycled polyester staple fiber and recycled textiles and plastic soda bottles (PET).
Product Name
Optical brightener OB-1
Chemical Name
4,4'-Bis(2-benzoxazolyl)stilbene
CAS NO.
1533-45-5
MF
C28H18N2O2
Appearance
Yellowish green powder
Purity
99.0%min
UV Absorbeption
Minimum UV wavelength: 374nm 
Maximum UV wavelength: 434nm
Melting point
357-360ºC
Packing and storage
25 kg fiber drum, or per customer request
 

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