Vulcacizer TMTM Technical Grade from Japan
Technical grade tetramethylthiuram monosulfide (TMTM), a thiuram monosulfide, falls under HTS 2930.30.30.00 as a pure organo-sulfur compound. It acts as a secondary accelerator in sulfur vulcanization systems for rubber goods like conveyor belts and seals. The compound's structure ensures compatibility with various rubber polymers without impurities affecting performance.
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%
Import Tips
• Declare exact CAS number (97-74-5) on commercial invoice; comply with TSCA pre-notice for new chemical uses
• Avoid common error: importing in retail packs which may trigger consumer product rules