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2930.30.30.00/Accelerator TMTM 98% Powder/Japan

Accelerator TMTM 98% Powder from Japan

High-purity 98% tetramethylthiuram monosulfide powder (TMTM) is a separate chemically defined organo-sulfur compound under HTS 2930.30.30.00. Used in the rubber industry as a delayed-action accelerator for efficient vulcanization of natural and synthetic rubbers. Its monosulfide structure provides solubility in rubber and optimal curing control.

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

• Include certificate of analysis confirming 98% purity to avoid reclassification; use UN-approved packaging for powders

• Pitfall: Dusting issues during transport—add anti-dusting agents only if not rendering it for specific use

Accelerator TMTM 98% Powder from Japan — Import Duty Rate | HTS 2930.30.30.00