PQ Corporation Kasil #19 Potassium Silicate from Japan
Kasil #19 offers a 3.9:1 SiO2:K2O ratio in liquid form, optimized for welding rod binders and high-performance coatings. Falls under HTS 2839.90.1000 for commercial potassium silicates per Chapter 28 notes. Essential for manufacturing durable industrial products.
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
• Supplier invoices must specify 'potassium silicate' and grade to match subheading
• TSCA pre-notice may apply for first imports; check inventory status