Optical Brightening Agent OB(C.I.184)

{Structure}:                         
    A compound of benzoxazole type.

{Specifications}:                  

Item	Indices
Appearance	light yellow or milk white powder
Purity	≥99%
Melting point	201-202

{Properties}:                          
    Appearance:light yellow or milk white powder

{Solubility}:                           
    Hardly soluble in water, but soluble in paraffins, mineral oils and ordinary organic solvents.

{Applications}:                      
    OB can be used for whitening thermoplastic plastics, PVC,PS,PE,PP,ABS,Acetate fier, paint, coating, printing ink, etc.. It can be added at any stage in prodess for process for shitening the polymers and can give the finished products a bright bluish white glaze.

{Packaging and storing}:       
    Packaged in cardboard barrels, 25kg or 50kg each. Stored indry and cool place.
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