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Technical Potassium Silicate Grade K from Japan

Grade K potassium silicate with 29% solids for investment casting and ceramics. HTS 2839.90.1000 applies to this chemically defined industrial silicate of potassium. Critical for precision manufacturing imports.

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

• Casting industry end-use certificates aid classification

• High pH requires corrosion-resistant packaging