| ≥1 piece |
Gromwell Red is a pigment extracted form the roots of gromwell. It presents splendid color with good stability. It shows a strong coloring property and has a certain antiphlogistic, antibacterial, and antiviral function with no any side effect.
Color: the tone of the pigment varies from red to red-purple,
purple, purple-blue and blue with the increase of PH value.
Solubility: insoluble in water, soluble in inpophilic organic
solvents.
Stability: stable to heat and light
Scope of usage: cosmetic( lipstick, rouge, face powder), foods,
capsule for medicine.
Preservation:
1. Best keeping period: two years
2. Keeping place: cool, dark and ventilative place
appearance red
pH value <6
color value 20-150
Pb <1ppm
As <1ppm