optical brightener OB

optical brightener OB

This product optical brightener OB can be used for whitening thermoplastic plastics, and optical brightener OB can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. optical brightener OB can be added at any stage in the process of whitening the polymers.

Product Details

optical brightener OB

other name: optical brightener 184, fluorescent brightener OB, fluorescent whitener OB

Character:

C.I.184 CAS:7128-64-5

Appearance: Light yellow or milk white powder

Structure Type: Benzene and oxazole compounds

Melting Point: 201~202℃

Solubility: Difficult to dissolve in water, but soluble in paraffin, mineral oils and ordinary organic solvents.


Usage:

This product optical brightener OB can be used for whitening thermoplastic plastics, and optical brightener OB can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. optical brightener OB can be added at any stage in the process of whitening the polymers and make the finished products emit a bright bluish white luster.


Direction for usage:

Making the optical brightener OB thoroughly disperse in all those plastic particles, with the weight of 0.01~0.05% plastic weight. Counter product: Uvitex OB


Specification:

Appearance: Light yellow or milk white powder

Purity:≥99%

Melting point:201~202℃

Volatiles: Max 0.2%

Sulfonated Ash: Max 20pm

Impurity: Max 20pm

Solubility: 1g OB entirely dissolve in 100m IDMA, clear and transparent.

Luminousness: 450nm Min 96%

500nm Min 97%


Packaging and storage:

Packing in 20KG, 25KG cardboard drum, 1KG iron drum, stored in dry shade place.

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