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Optical Brightener OB
 Optical Brightener OB |
Product Description
OPTICAL BRIGHTERNER OB
Chemical Name: 2, 5-bis-(5-ter-butyl-benzoxazolyl-)thiophene
Molecular Formula: C27H27O2N2S
Molecular Weight: 443
CAS No.: 7128-64-5
C. I.: 184
Specification:
Appearance: Yellowish or yellowish green crystal powder
Assay, % 99min.
Melting point, oC 196-203
Volatile, %: 0.5max
Ash, %: 0.5max
Use:
Optical Brightener OB is highly effective in polymer substrates such as engineering plastics, PE, PC, PVC, PS, ABS, PP, adhesive and other organic substrates.
Packing: In 25kg fiber drum.
| Classification: | Chemical Additives |
|---|---|
| Company: | Sinobase Polymers Limited |
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