Zinc Stearate Fine Powder from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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