PQ Corporation Kasil #19 Potassium Silicate from China
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 — China → United States
38.1%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Supplier invoices must specify 'potassium silicate' and grade to match subheading
• TSCA pre-notice may apply for first imports; check inventory status