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2841.90.30.00/High Purity Potassium Stannate 99%/Japan

High Purity Potassium Stannate 99% from Japan

99% pure potassium stannate crystals for laboratory and semiconductor applications requiring ultra-clean stannate sources. Precisely classified under HTS 2841.90.30.00 as chemically defined potassium stannate per Chapter 28 Note 1. Essential for atomic layer deposition of tin oxide films.

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%
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Import Tips

• Include lot-specific purity certificates; use child-resistant packaging for lab quantities

• Pitfall: semiconductor end-use doesn't change chemical classification

High Purity Potassium Stannate 99% from Japan — Import Duty Rate | HTS 2841.90.30.00