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Vulkanox MB 2/CZ Rubber Antioxidant from China

Vulkanox MB 2/CZ is polymerized 1,2-dihydro-2,2,4-trimethylquinoline antioxidant for NR/SBR tire compounds, offering flex fatigue resistance. HTS 3812.39.9000 as rubber stabilizer. Prevents belt edge cracking in radial tires.

Duty Rate — China → United States

42.5%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide tire manufacturer specifications confirming dosage rates

Test for amine content to distinguish from phenolic antioxidants

Use nitrogen blanketing during storage/import to maintain efficacy