Product name ： copper powder
Product Category：Cupric salts;
CAS No.： 7740-50-8
Formula:Cu
MW:63.54
Characters:Light rose red branch-like powder, can be easily oxidized in humid air, soluble in heated sulphuric acid or nitic acid.
Specifications:

Copper powder	Chemical reagent grade	pneumatic atomized copper powder	water atomized cooper powder	Reduction cooper powder
Item	Spec.	Spec.	Spec.	Spec.
Assay(Cu) %	≥99.8	≥99.6	≥99.6	≥98.0
Hydrogen loss %	——	≤0.15	≤0.25	——
Total impurities %	——	≤0.2	≤0.2	——
Bulk d ensityg/cm3	——	2.0--4.0	2.6--5.0	——
Velocity of flow s/50g	——	25-60	20-35	——
Fineness(meshes)	——	100-300	100-300	100-300
Iron(Fe)%	≤0.015	≤0.02	≤0.02	——
Lead(Pb)%	≤0.03	≤0.05	≤0.05	——
Water %	≤0.05	——	≤0.05	——
As%	≤0.005	≤0.005	≤0.005	——
Sb%	≤0.001	≤0.01	≤0.01	——
Bi%	≤0.002	≤0.002	≤0.002	——
Ni%	≤0.003	≤0.003	≤0.003	——
Sn%	≤0.004	≤0.004	≤0.004	——
Zinc(Zn)%	≤0.004	≤0.004	≤0.004	——
S%	——	≤0.004	≤0.004	——
Sulphates(SO4)%	≤0.015	≤0.015	≤0.015	——
Chlorides(Cl) %	≤0.004	≤0.004	≤0.004	——
Residue on ignition after nitric acid treatment	≤0.05	≤0.05	≤0.05	——

Product Usage: It is used for powder metallurgy parts, hard metal, diamond tools, electrical carbon products, handicraft articles, friction materials, non-ferrous alloy etc.; also used for chemical catalysts, carbon brush, spraying materials and welding electrodes etc.
Packaging:25kg cardboard drum, lined with double-layer plastic bag
Storage Precautions:Stored in cool and draughty warehouse, kept away from fire and heat source; isolated from oxidants, acids and halogens.
MSDS: Download