Detailed Product Description

Optical Brightener OB-1(FBA 393)
1.slight greenish yellow powder
2.type:OB-1,FBA393
3.good reputation with quality assur

Optical Brightener Agent OB-1

Optical Brightener Type: 

OB, OB-1, BA, BC, BBU, CBS-X, CXT, PF, PF-3, ER, ER-330, EBF, FP, KSN, KCB, KSB, VBL, 4BK, etc.

Optical Brightener OB-1(FBA 393) 

I. Technical Index

Appearance: slight greenish yellow powder

Molecular weight: 414

Melting Point: 357-360°C
Purity: ≥98.5%
Maximum UV Spectrum Absorption: 374nm 

Solubility: insoluble in water,but soluble in high boiling point organic solvent such as phenyl-chloride

II. Uses

1.Suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on.
2. Suitable for whitening and brightening polypropylene plastic, hard PVC, ABS . EVA, polystyrene, polycarbonate, etc.
3. Suitable to be added into the conventional polymerization of polyester and nylon.
4. Especially suitable for whitening the plastics of elevated temperature compaction.