“Ultra-high purity refers to graphite with a carbon content of over 99.99%, which is characterized by good self-lubricating ...
“Our newly developed equipment has successfully refined graphite powder from purity of 99.93 percent to over 99.99995 percent,” said CETC general manager Xie Yongqiang, reported SCMP.
Science and Technology Daily reported on Tuesday that China Electronics Technology Group Corporation (CETC) had developed its ...