Purchasing copper powder 99,99, to Germany

I would like to order copper powder. We are currently seeking copper powder with a purity of 99.99xx% and is open to various granulations. The quantity required is open-ended.
Target price: willing to pay up to €20.00 per gram, depending on the total quantity available.
Please provide information regarding the price per gram of copper powder, point minimum order quantities and delivery options you may have available.