North American Product Classification System (NAPCS) Canada 2017 Version 1.0

• 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

  All examples

• Exclusion(s)

  • gypsum produced during flue-gas desulphurization (FGD gypsum) (See 2711284 Other miscellaneous inorganic chemicals, n.e.c.)