3812.39.60.00/Polysar AO-80 Rubber Antioxidant/Japan

Polysar AO-80 Rubber Antioxidant from Japan

Polysar AO-80 is an 80% active octylated diphenylamine antioxidant dispersed on silica carrier for CR/neoprene rubber compounds. Its aromatic amine structure qualifies for HTS 3812.39.60.00 rubber stabilizer classification.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Document silica carrier type and surface treatment for dispersion verification

• Provide Mooney scorch safety data for rubber processor validation

• Ensure silica content doesn't trigger dust hazard declarations