Industrial Xanthan Gum for Oil Drilling from China
High-viscosity xanthan gum in primary powder form for use in oilfield drilling fluids as a rheology modifier. Falls under HTS 3913.90.20.15 as a xanthan gum polysaccharide derivative not elsewhere specified. Provides suspension properties in harsh downhole conditions.
Duty Rate — China → United States
43.3%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Provide technical data sheets showing shear-thinning properties; comply with EPA regulations for drilling additives; use moisture-proof bags for transoceanic shipping