Tributylthiuram Tetrasulfide (TBzTD) from Germany
Tributylthiuram tetrasulfide (TBzTD) is a specialty thiuram tetrasulfide accelerator offering safe processing for low-sulfur rubber compounds. Under HTS 2930.30.60.00, it qualifies as 'other' thiuram sulfides within organo-sulfur compounds due to its molecular structure with multiple sulfur atoms linked to carbon. It is imported as a distinct chemical substance for industrial synthesis.
Duty Rate — Germany → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit NMR spectra confirming tetrasulfide structure; comply with EPA chemical import notifications; avoid anti-dusting agents exceeding Chapter 29 note (g) limits