North American Product Classification System (NAPCS) Canada 2022 Version 1.0
- 162 - Stone, sand, gravel, clay, and refractory minerals
- 16212 - Sand, gravel, clay, and refractory minerals
- 162123 - 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
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