The Universal Selection Source:
Polymer Additives
by SpecialChem
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Fluorescent brightener OB-1 (FBA 393)

Fluorescent brightener OB-1 (FBA 393) is a fluorescent brightener. Has high melting point and strong stability, so it has very good heat resistance. Because this product's hydrophobic nature, it has good light fastness and for it has strong fluorescence. It can not only improve the whiteness of the products but also can improve the brightness, can be used like oil dissolving coloring agent in the plastics. Suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on. Also suitable to be added into the conventional polymerization of polyester and nylon. Especially suitable for whitening the plastics of elevated temperature compaction.
Product Type
Optical Brighteners / Whitening Agents
CAS Number
SpecialChem additionnal informations based on CAS Number : 1533-45-5

Hansen Solubility Parameters

[21.3, 1.6, 4.2]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with Fluorescent brightener OB-1 (FBA 393). A practical determination of these HSP values would provide higher certainty. Learn More.

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