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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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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