We, Seewolfs SPA , based on Vi�±a del Mar, CHILE , Main Seller, with Legal and Corporate Responsibility, report that we are ready, willing and able to provide Copper nanoparticles per Kilogram, through Spot / Contract of according to the following Terms, Conditions and Procedures below mentioned: 1 â?? Specifications: Capacity: NP2.5: 250 KG per month / CUNP-2.5 Physicochemical characteristics: Formula: Cu0 Molecular weight:63.55 Hydrodynamic diameter:591.6 nm Size by electron microscopy: 2.5 nm Surface charge: 25 mV Morphology: Spherical Crystalline structure by XRD: Metallic copper Nanoparticle copper purity: 99.9% Nanosystem purity: 15 a 35 �± 5 % CP150: 80 KG per month / CUCP150 Formula: Cu0 Molecular weight: 63.55 Hydrodynamic diameter:190 nm Size by electron microscopy: 150 nm Surface charge: -15 mV Morphology: Spherical Crystalline structure by XRD: Metallic copper Nanoparticle copper purity: 99.9% Nanosystem purity: >90% CP250: 80 KG per month / CUCP250 Formula: Cu0 Molecular weight: 63.55 Hydrodynamic diameter:300 nm Size by electron microscopy: 250 nm Surface charge: -15 mV Morphology: Spherical Crystalline structure by XRD: Metallic copper Nanoparticle copper purity: 99.9% Nanosystem purity: >90% CP1500: 80 KG per month / CUCP1500 Formula: Cu0 Molecular weight: 63.55 Size by electron microscopy: 1500 nm Surface charge: -15 mV Morphology: Spherical Crystalline structure by XRD: Metallic copper Nanoparticle copper purity: 99.9% Nanosystem purity: >90%