Zinc Stearate Fine Powder from China
Zinc stearate, the zinc salt of stearic acid, serves as a heat stabilizer in plastics, anti-caking agent in powders, and pharmaceutical glidant. Classified under HTS 2915.70.01 following chapter rules for metal salts of organic acids. Ultra-fine grade (<6 micron) for optimal dispersion.
Duty Rate — China → United States
40%
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
• Particle size distribution report essential for fine powder grades
• Zn content certification (10-12%) prevents reclassification as impurity
• Dust explosion precautions required for micronized grades