Fluorescent Brightener is a fluorescent dye, or as a white dye is a complex organic compounds. VBL model for cotton fiber and pulp bleaching agent ,also used as detergents, paints. Plastics and  other industries.

25kg or 50kg pp bag(woven bag lined with plastic bag)

Powder 20-foot container can hold 15ton, when accounting, price should be calculate as 13tons