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Copper Powder 99.3%, Mesh 325
Product Code: CU301
Copper powder, high purity, water atomized, hydrogen reduced ultra fine copper powder with spheroidal particles and clusters. Higher conductivity. Lower Density.
May be used for metal injection molding as well as other applications were the conductivity and purity of product is important.
HTS Code: 7406.10.0000
NMFC: 30743
CAS: 7440-50-8
Note: Pure copper powders do not show continuity or conductivity by a multimeter. I think there are two reasons for that. One is the low voltage used for the test. The other is lots of air and weak contacts between the particles.
They will show conductivity with higher voltage, when they are compacted and when they are mixed with some oil or resin to form a paste.