Profile:

made by emulsifying the curcuma yellow.

Properties:

fuscorufous oil liquid, clear, no subside or delamination.

Solubility:

mutually dissolve with oil in any proportion. clear, no subside.

Stability:

stable under heat condition, the yellow color would become lighter if solarized.

Technical index:

1. Content %≥1.25≥2.5 2.Extinction Coefficient E=1%1cm425nm≥20≥40 3.Arsenic (count by As) )%≤0.0003≤0.0003 4. Heavy Metal (count by Pb) % ≤0.004≤0.004