Calcium Percarbonate Technical Grade from Japan
Technical grade calcium percarbonate is used in aquaculture oxygenation and mild bleaching. As a peroxocarbonate, it is 'other' under HTS 2836.99.5050, per Chapter notes on inorganic peroxocarbonates. It effervesces in water to release oxygen.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Water treatment claims need EPA review if pesticidal
• Stabilizer content must not exceed to avoid 2847 reclass