ultrafine copper particles for use in dispersions used in the manufacture of sintering additives for micro-powder injection moulding (PIM), antimicrobial, and anti-fungal agent, nano-metal lubricant additives, catalysts for chemical reactions, conductive inks and pastes, antifouling paints, friction material, EMC and RFI shielding paints; Ultrafine copper particles for use in dispersions for industrial use; silver-coated copper powders for use in the manufacture of sintering additives for mic...