Isomerate High-Octane Blending Stock from China
Isomerate is a branched paraffin-rich stream from naphtha isomerization processes, providing high octane without aromatics for clean gasoline blending. Under HTS 2710.12.18.90 as light motor fuel blending stock: >70% petroleum oils, 90%+ distill at 210°C. Ideal for low-emission reformulated blends.
Duty Rate — China → United States
25%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide process origin documentation (isomerization unit specs) to validate as blending stock
• Test for research octane number (RON ~82-85) in entry samples; undervaluation common in bulk shipments
• Ensure no biodiesel admixture; contamination leads to 2710.12.24 reclassification