Selling ultrafine copper powder, 99.999 %

I'm selling ultrafine copper powder with purity 99.999 %.
PMU specifications.
Isotopic composition is that of natural copper:
- 69.1% of Cu-63 and 30.9% of Cu-65
- Cu purity of 99.999 %
All testing reports are available upon submission of LOI.
Powder comes in 2 kg jars and priced at $ 2,200 per gram.
40kg (20 jars) are available for immediate shipment. We do not have capacity to supply more product.
Please contact me if you are interested in this offer.