Copper alloy, dross

Formula : Unspecified
CAS : 79357-67-8 

TSCA Definition 2019: A scum formed on the surface of molten copper base alloys.

Copper alloy, Sn, dross

Formula : Unspecified
CAS : 79357-68-9 

TSCA Definition 2019: A scum formed on the surface of copper base alloys following the hot tin coating operation.