Raw materials: medicinal freshwater pearls
Certification: CE GMP MSDS SGS
Appearance: grinding powder
Colour: White, ivory white
Solubility: insoluble in water
Particle size: 60-300 um
Calcium ion content: 0.25%
Protein content: > 1.35% PH: 9.5-10.5
Drying Weight Loss (110 C):