Optical Brightener For Plastic

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Product NameOptical Brightening Agent OB-1
Chemical Name2.2a -(4.4a -diphenol vinyl) dibenzoxazol
CAS No.1533-45-5
C.I. No.393
Structural Formula
Molecular FormulaC28H18N2O2
Molecular Weight414
Technical IndexAppearance:yellowish green powder
Melting Point:357~359A C
Purity:a Y99%
UsesMainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.
For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc.
Rate of use: (per 1000kg of substrate)
Polyester: 75-300g
EVA, PP, nylon: 75-200g
Package25kg per fiber drum