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Optical Brightener OB-1
Dyes And Chemicals
Textile chemicals & Agents
April 8th, 2011
Country of Origin
OPTICAL BRIGHTNER OB-1
FOR COATING & PLASTICS
OB-1 is bis-benzoxazole optical brightner.It is recommended to use in most coating and plastic application to enhance brightness and whiteness.
Chemical Name : 2,2’-(1,2-Ethenediyldi4,1phenylene)bisbenzoxazole
CAS NO 1533-45-5
MOLECULAR WEIGHT 414.4
APPEARANCE Greenish Yellowish Powder
Assay 99% Min
Boiling Point N/A
Melting Point 357-359 C
Volatiles Content 0.5% max.
Ash .2% max
Solution Clarity Clear 1g/100ml DMA
Solubility: g in 100ml.Solvent
Optical Brightener OB-1 is high efficient brightener recommended for
- Enhance whiteness for white pigmented coating, plastics .
- As a whiteness mask for yellowish shelf clear coating.
- Printing ink for security, safeguard.
- Manufacture of fluorescent pigments/dyestuffs to reinforce the brightness.
- Increase deep tone for dark black and blue printing inks.
0.005-0.1% in plastics, for Polyester fibre around 0.02%, 0.03-0.25% for pigmented coating.
Must be stored in closed containers in dark dry conditions.
Packaging: 10/25 Kgs / Drum
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