100g Nano Copper Powder 50nm, 99.9% SPECIFICATIONS Model Particle size（nm） Purity（%） BET（m2 /g） Bulk density（g/cm3 ）  Crystal type  Color TOB-DK-Cu-50 50 >99.9 18 0.3 spherical Black brown TOB-DK-Cu-500 500 >99.5 4.5 1.3 spherical Red PACKAGE AND SHIPPING 1 Standard exported package : Internal plastic bottle sealing, outside the aluminum-plastic composite membrane sealing 2 Shipping by express, by air, by sea according to customer's requirements to suggest the most suitable shipping mode SERVICES 1 We supply machines with battery technology support. 2 We can also supply a full set of materials for lithium battery including polymer battery, cylinder battery, mobile phone battery, EV battery. 3 We can also supply a full set of lithium battery equipment for lab research, pilot scale research and production line. 4 We can also supply a full set of battery technology for battery design, research and producing. We cooperated with each other, and we will do TOP OF THE BEST battery  Email :tob.amy@tobmachine.com  Skype :amywangbest86  Whatsapp/Phone number :+86 181 2071 5609