Potassium Silicate Solution (PQ Corporation Kasil #6) from Japan
Kasil #6 is a liquid potassium silicate solution with a SiO2:K2O weight ratio of 2.5, used in adhesives, coatings, and welding electrodes. It falls under HTS 2839.90.1000 as a commercial alkali metal silicate of potassium, chemically defined as a soluble glass-like compound. This product is widely imported for industrial applications requiring alkali resistance.
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
• ,Include Safety Data Sheets (SDS) and TSCA certification for US EPA compliance, as it's a chemical substance