PMMP Flame-Retardant Polymer Granules from Japan
PMMP Flame-Retardant Polymer Granules are poly(1,3-phenylene methylphosphonate) in primary granular form, used as a thermoplastic resin in engineering plastics to impart fire safety. This product falls under tariff item 3911.20.00, which specifically names poly(1,3-phenylene methylphosphonate) in primary forms, and is consistent with the chapter's classification of synthetic polymers with an average of at least 5 monomer units.
Duty Rate — Japan → Canada
Import Tips
• Confirm the granules are in primary form (not shaped or further worked) to qualify for tariff item 3911.20.00
• Prepare a technical data sheet showing the polymer's chemical structure and monomer content to facilitate CBSA classification
• Check if the granules contain any plasticizers or additives that could shift classification to a composition under other headings