North American Product Classification System (NAPCS) Canada 2022 Version 1.0

162 - Stone, sand, gravel, clay, and refractory minerals

This group comprises stone, sand, gravel, clay, and refractory minerals.

16212 - Sand, gravel, clay, and refractory minerals

This class comprises sand, gravel, clay, and refractory minerals.

162123 - Clay and refractory minerals

This subclass comprises clay, and refractory minerals.

1621231 - Clay and refractory minerals

Clay, and refractory minerals.

• Illustrative example(s)

  • animal litter clay
  • ball clay
  • crude bentonite
  • crude magnesite
  • crude shale clay, untreated
  • crushed shale
  • fire clay
  • fuller's earth
  • kaolin
  • untreated andalusite
  • untreated refractory clay

  All examples