We are Wenho Trading (P) Ltd based in Delhi, India. We are member of TradeKey.com since March, 2012. Our business is related to Minerals & Metallurgy industry and we specifically deal in Non-radioactive Copper in spherical powder form chemical purity grade is 99,998% and 99,999%, isotopic composition Cu63 - 69,09% Cu65 - 30,91% (+/-0,05%). Please find our product details below: COPPER POWDER (Superfine Dispersal) Non-radioactive Copper in spherical powder form chemical purity grade is 99, 998% and 99, 999%, isotopic composition Cu63 - 69, 09% Cu65 - 30, 91% (+/-0, 05). Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.