2. Copper Concentrate Quality Standard (Please inform the contents of the following elements).
(As)≤0.50%,(Pb+Zn)≤8.0%,(F)≤0.10%
The other elements which will influence the final price, S>23%,Fe>23%,SiO<14%,Moisture<12% and Mg<4%.
This standard is applied to the copper concentrates products getting from mineral processing and used for copper smelting.
(Please inform the content of the following elements)
(1) The moisture content in the concentrates should be less than 14%,and also less than 8% during heating-period.
(2) Other impurities should not be mixed into the concentrates.
(3) Packing: The concentrates most have been delivered by bulk transport and container transport, packed with 1-2 tons bag. The same grade can be classified as one lot.
3.Inspection Method
The inspection carried out at the loading port to determine the letter of credit amount.