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3910.00.00.00/Silicone Elastomer Base Uncured/Japan

Silicone Elastomer Base Uncured from Japan

Uncured silicone elastomer base contains silica filler and peroxide catalyst. Still classified as primary form under HTS 3910.00.00.00 if polymer content predominates per notes.

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 filler <50% total weight to maintain primary polymer status

• Temperature-controlled shipping prevents pre-cure issues

• Include shelf-life data in commercial invoice

Silicone Elastomer Base Uncured from Japan — Import Duty Rate | HTS 3910.00.00.00