Hopebright OB by Shanghai Hope-chem is an odorless, optical brightening agent. It available in light green color powder form. It is used in film, injection and extrusion materials. It is recommended for the whitening of polyolefins, PA and PAN. It is also suitable for all plastic processing. Hopebright OB has a recommended dosage level is 0.01-0.05%.
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Hopebright OB properties
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