Vulcuren MBS Rubber Chemical from China
Vulcuren MBS is a high-purity 2,2'-dithiobisbenzothiazole variant optimized for low-temperature vulcanization in synthetic rubbers. It matches HTS 2934.20.10.00 exactly as an unfused benzothiazole ring compound used in seals and gaskets. Provides excellent aging resistance in final products.
Duty Rate — China → United States
41.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Include batch purity certificates (>98%) to confirm chapter 29 applicability; comply with TSCA for US registration
• Common issue: mislabeling odoriferous additives triggering note (g) review