North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 163 - Diamonds and other non-metallic minerals (except cut gemstones)
- 16312 - Non-metallic minerals (except diamonds)
- 163121 - Gypsum
1631211 - Gypsum
Gypsum.
Illustrative example(s)
- calcium sulphate dihydrate, natural
- lump gypsum
Exclusion(s)
- gypsum produced during flue-gas desulphurization (FGD gypsum) (See 2711284 Hydrogen peroxide)
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