... 2.best quality and reasonable market price 3.Indusrial/Food Grade Properties: White powder, density is 2.484 (20 ... 05% maxApplication: For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry ... . For food grade, it is mainly used as additive agent, pH adjusting agent and fermentation agent, and nourishment.Packaging: Plastic ...