North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 291 - Non-metallic mineral products
- 29114 - Non-metallic mineral products, n.e.c.
- 291142 - Mineral wool
- 2911421 - Mineral wool for thermal and acoustical envelope insulation, for buildings
- 2911422 - Mineral wool for industrial, equipment and appliance insulation
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