2933.69.50.00/Technical Grade Urotropin 99%/China

Technical Grade Urotropin 99% from China

99% pure technical grade urotropin for rubber vulcanization accelerator systems. HTS 2933.69.5000 classification due to specific chemical identity as hexamethylenetetramine with triazine ring.

Duty Rate — China → United States

41.3%

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)

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Import Tips

• Ash content <0.05% and iron <5ppm critical for rubber applications; test certificates required

• Avoid dust formation during handling; specify anti-dusting agent if added

• Confirm no melamine contamination (>20ppm) via HPLC analysis