North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 281 - Plastic resins
- 28111 - Plastic resins
- 281111 - Polyester resins
- 2811111 - Polyester resins
- 281112 - Polyethylene resins
- 2811121 - Polyethylene resins
- 281113 - Polystyrene resins
- 2811131 - Polystyrene resins
- 281114 - Other thermoplastic resins
- 2811141 - Other thermoplastic resins
- 281115 - Phenol-formaldehyde resins
- 2811151 - Phenol-formaldehyde resins
- 281116 - Other thermosetting resins
- 2811161 - Other thermosetting resins
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