Zinc Oxide Cosmetic Grade
Synonyms:Chinese white;Zinc white;Flowers of zinc;Calamine
CAS NO. : 1314-13-2
EINECS: 215-222-5
Molecular Formula : ZnO
Molecular Weight : 81.38
Properties : White powder,stable under normal temperature, good hiding power and colouring power.Insoluble in water and alcohol ,soluble in acid ,alkali and amkonium solution.
Use :sunscreen cream, medicine,cosmetic,plaster,adhesive plaster,dental impression paste zinc ointment and etc
Storage : Preserve in well closed containers
Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement). Characteristics:
1. The purity is high and the particle size is small. The cosmetics, skin care product are fine and smooch, lubricous and tender, adhesive force is strong. It has better permanence.
2. The heavy metal content such as lead, cadmium, mercury and arsenic are extremely few. It can meet Chinese pharmacopoeia(CP), British pharmacopoeia(BP), standard requirement of the American pharmacopoeia(USP).BP2014,EP7The cosmetics and skin care product dont have side effect to the human body.
Specification Cosmetic Grade ( % ):
| index item | standard |
| Assay(ZnO) | 99.0%-100.5% |
| Alkalinity | According to the test |
| Carbonates and substances insoluble in acid | according to the test |
| Arsenic(As) | Not more than 5ppm |
| Cadmium(Cd) | Not more than 10ppm |
| Iron(Fe) | Not more than 200ppm |
| Lead(Pb) | Not more than 50ppm |
| Loss on Ignition(500'C) | Not more than 1.0% |
