Description
Optical Brightener Uvitex OB
TDS of optical brightener ob |
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| Product name | Optical brightener ob | |
| Chemical | 2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole) CAS: 7128-64-5 chemical structure: C26H26N2O2S Equivalents: Uvitex OB, Tinopal OB, FBA 184, CI 184, OBA 184 |
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| Features | Brilliant bluish whitening effects; excellent heat resistance; high chemical stability; good compatibility in a wide range of resin. |
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| Specifications: | Ash % 0.2max Melting Point (DTA) 199-202℃ Appearance Slight greenish yellow powder Odor Free of odor Volatile Content % 0.4max Assay % 99.0% |
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| Application: |
OB is recommended for plastic including Polyolefins, Styrenics, PVC, Adhesives, UP, PET, PC, PMMA, PA, also used for Solvent-borne inks and coatings.
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| Handing and Safety: | FDA approved for use in polymers subject to the limitations in 21 CFR §176.170(c). For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet. |
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| Packing: | 25kg / fiber drum with PE liner, inside lining plastic bag. 6*2 layer 12 drums per pallet, 5 CBM per ton, or according to customers’ requirements. | |
COA of optical brightener ob |
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| Items | Standard Value | Test Result |
| Appearance | Light yellow powder | pass |
| Melting point | 199℃～202℃ | 199.7℃ |
| Volatile content | ≦0.4% | 0.18% |
| Ash content | ≦0.2% | 0.10% |
| Purity | 99.0 % min | 99.20% |
| particle size | ≥180mesh | pass |
OB TDS & COA
OB MSDS
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