Optical brightener OB-1-OBA for Plastic-Qingdao Sanhuan Colorchem Co., Ltd.

Optical brightener OB-1

C.I.Fluorescent Brightener 393
C.I.40674
CAS: 1533-45-5
Molecular Formula: C28H18N2O2
Formula Weight: 414.45

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Specification Characteristic Application Packing Download

Specification

Appearance: Bright green-yellowish crystals powder

Shade: Similar to standard

Purity: ≥98.5%

Melting point: 355-360℃

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

Characteristic

1. High whitening force, strong fluorescence
2. Wide range of application, widely used for the whitening of polyesters, nylon fibre and various plastics.
3. Excellent resistance to high temperature.

Application

A good Optical brightener agent for polyester-cotton blend fabric or various kinds of

plastics and their products under high temperature.

Packing

Packed in 25kgs Fiber Drum

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Solution for ink, coating, plastics and textiles with 20 years business experience.

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