Aromatic DTDM Rubber Accelerator (4,4'-Dithiodimorpholine) from Germany
DTDM serves as a sulfur donor and accelerator in EPDM and low-sulfur cure systems for automotive weatherstrip. While primarily morpholine-based, commercial formulations often include aromatic activators qualifying for 3812.10.1000.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm aromatic activator content via GC-MS analysis; ensure odor control specifications met; provide EPDM scorch safety data