Copper oxide

We offer Copper Oxide.
Product name: copper oxide 98%
cas no.: 1317�38�0
formulo: cuo
character: black powder
product usage: used for fireworks firecracker, pesticide, fungicide, solar surface heat absorption agent, glass, artificial rainfall materials, ceramic, enamel, catalyst, rayon, ferrite magnetic materials of electronic industry and electronic circuit board electroplating industry.
packing: 25 kg/bag, 20 tons / 20� fcl
specification:
cupric oxide technical first grade
item spec.
Assay(cuo) % �98.0
insol. In hcl % �0.10
chlorides(cl)% �0.05
sulfur compound(so4)% �0.10
ni % �0.10
fe% �0.20