Optical brightener OB-1

C.I.: 393  

CAS NO.: 1533-45-5  

Appearance: Bright yellowish green crystal powder

Purity: ≥98.5 % min   

Melting point : 357-360℃   

Usage: Good whitening and brightening effect for polyester-cotton blend fabric. Especially in various kinds of plastic products like PET、PP、PC、PS、PE、PVC. But it is easy to migration in PE nad low temperature plastic.

Package: 25KG fiber drums with PE liner.

Optical brightener OB-1

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