Of potassium
Silicates; commercial alkali metal silicates: > Other: > Of potassium
Duty Rate (from China)
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
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)
Products classified under HTS 2839.90.10.00
Liquid Potassium Silicate KAS-10
KAS-10 is a high-ratio potassium silicate liquid (SiO2:K2O = 3.3:1) for specialty coatings and soil stabilizers. It qualifies under HTS 2839.90.1000 as a chemically defined commercial silicate of potassium. Commonly imported for agricultural and construction uses.
AgSil 16H Potassium Silicate Fertilizer Grade
AgSil 16H is a horticultural potassium silicate solution (2.5:1 ratio) for plant nutrition and disease resistance. Still classified under HTS 2839.90.1000 as a commercial potassium silicate, not as a fertilizer preparation. Imported for greenhouse and hydroponics.
Potassium Silicate Solution (PQ Corporation Kasil #6)
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.
Potassium Waterglass Powder (Technical Grade)
Anhydrous potassium silicate powder derived from spray-dried liquid, used in foundry molds and refractory cements. Classified under HTS 2839.90.1000 as a commercial potassium silicate, meeting Chapter 28 definitions for inorganic compounds. Ideal for applications needing high-temperature binding.
PQ Corporation Kasil #19 Potassium Silicate
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.
Industrial Potassium Silicate 40% Solids
A 40% solids aqueous solution of potassium silicate used in paper manufacturing and detergents. Classified in HTS 2839.90.1000 as a commercial alkali metal silicate of potassium, aligning with Chapter 28 definitions. Key import for pulp and paper industry.
Spray-Dried Potassium Silicate Beads
Beaded form of potassium silicate for easy handling in concrete admixtures and catalysts. HTS 2839.90.1000 covers this commercial form as a potassium silicate compound. Popular for construction chemical imports.
Technical Potassium Silicate Grade K
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.