Fluorescent Brightener OB-1 (FBA393)

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Fluorescent Brightener OB-1 (FBA393)
Posting date : Mar 07, 2007
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29-
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1. Specifications: Appearance: bright yellow crystalline powder Melting point: 357-359°C Purity: 98. 50% min. Solubility: insoluble in water, but soluble in high boiling point organic solvents such as phenyl-chloride Structure: a compound of diphenylethylene bisbenzoxazole type 2. Applications: Fluorescent brightener agent OB-1 is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an extra ideal whitening effect on polyester-cotton blend fabric. It can be used for whitening polyester melt. This whitening agent is similar to whitex SNK, Uvitex ERT and Eastobrite OB-1 made in foreign country 3. Directions for use and dosage: The dosage should be 0.01-0.05% on weight of plastic or polyester granules. Mix the materials thoroughly before shaping of the plastic products or draw in-spinning of polyester fibers 4. Packaging and storing: In cardboard drum, 25kg or 20kg each, stored in dry and ventilated place 5. Other information: Product name: 2.2'-(4.4'-diphenol vinyl)di-benzoxazol CAS no.: 1533-45-5 Molecular formula: C28H18N2O2 Molecular weight: 414

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