Message | The requirement of SBT is mainly zinc dross, about 2500 tons a month, including top dross(seal), bottom dross(scrub and seam), zinc roofing sheet(score), remelted zinc ingot and super high grade zinc ingot. The basic qualification of zinc dross is as below:
Zn: 92% minimum. Al:0.1% maximum. Pb:2% maximum. Fe:4% maximum. No Cd. |