We are exclusive distributors for Santiago Minerials, SA, which is a Chilean manufacturer of high grade Nano Powders. All our copper nano powders are verified by IGAS. W have available two types of copper nano powders. Isotopic copper nano powder that is 99.998% purity, 0.5 microns, spherical in shape and priced at US $900 gram FOB Geneva, Switzerland. We also have metallic copper nano powder that is 99.992% purity rated in sizes between 5 & 20 microns and in flakes. Price per kilo is $3,500 FOB Santiago, Chili.