Zinc Sulfate Heptahydrate from Japan
Zinc sulfate heptahydrate is applied in agriculture as a fungicide, fertilizer, and in water purification. It falls under HTS 2833.29.51 as an unlisted metal sulfate in the 'other sulfates' category.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include crystallization certificates to verify heptahydrate form versus anhydrous
• Comply with EPA regulations for pesticide imports if labeled for agricultural use
• Declare exact concentration to prevent blending with Chapter 38 preparations