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BIIR Irregular Lumps from Japan

Irregular lumps of brominated isobutene-isoprene rubber (BIIR) obtained directly from polymerization. They are in primary forms as defined in Chapter Note 3(b) and are uncompounded, qualifying as 'other' synthetic rubber under tariff item 4002.39.00.

Duty Rate — Japan → Canada

0%

Import Tips

• Ensure the lumps are uncompounded with no added vulcanizing agents or fillers, as per Chapter Note 5

• Keep shipping documents showing the rubber's origin and polymer type to support classification

• Verify the duty rate with the CBSA tariff lookup before shipment