Caustic soda is used to make paper, fibrin, and it also used to produce synthetic wash, soap, synthetic fatty acid and purify the propagation axunge. In weave and printing and dying industry, it serves as cotton fading serosity, silk dosage. It also used to produce alumina, metal zinc and metal cuprum, glasses, porcelain enamel, leather, medicine, dye and pesticide. The Caustic Soda Flakes are all super quality at competitive price, we can supply Caustic Soda Flakes 99%, Caustic Soda Flakes 98%, Caustic Soda Flakes 96%