North American Product Classification System (NAPCS) Canada 2017 Version 1.0
All examples - 1552221 - Zinc ores and concentrates
- ash and residue containing mainly hard zinc spelter
- ash and residue containing mainly other zinc
- blende
- hemimorphite
- smithsonite
- zinc concentrates
- zinc concentrates with copper
- zinc concentrates with lead
- zinc dross
- zinc fume
- zinc ores and concentrates
- zinc ores with copper
- zinc ores with lead
- zinc residues
- zinc skimmings
- zinc sulphide concentrates
- zincite
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