... /9550280/9550250...... we are exporter from Qingdao China,we dealing graphite many years.our factory located Pingdu city,Qingdao. we can ... supply all kinds of expandable graphite...Grade.9550250/ 9980250 9950200 9980200 9580200 etc. carbon:95-99 ... steel,metallurgy,petroleum,chemical,machinery,astronavigation,and atomic energy. expandable graphite