Other
Prepared pigments, prepared opacifiers and prepared colors, vitrifiable enamels and glazes, engobes (slips), liquid lustres and similar preparations, of a kind used in the ceramic, enamelling or glass industry; glass frit and other glass, in the form of powder, granules or flakes: > Glass frit and other glass, in the form of powder, granules or flakes: > Other
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 3207.40.50.00
Lead-Free Glass Frit for Ceramic Glazes
Finely powdered glass material used as a base for creating durable glazes on ceramic tiles and pottery. It melts during firing to form a smooth, glassy surface, classified under HTS 3207.40.5000 as glass in powdered form specifically for the ceramic industry.
Quartz Glass Powder for Glass Frit Production
High-purity quartz glass ground into fine flakes or granules, used in manufacturing specialty glass frit for enameling on glass substrates. Falls under HTS 3207.40.5000 as 'other glass' in granular form for the glass industry.
Borosilicate Glass Flakes for Engobe Slips
Thin borosilicate glass flakes used in preparing engobes (slips) for coating ceramic bodies before glazing. Provides opacity and adhesion, classified as glass flakes under HTS 3207.40.5000 for ceramic industry use.
Ceramic Tile Glass Granules
Granulated glass powder optimized for inclusion in ceramic tile bodies to enhance vitrification and surface quality. Processed into uniform granules for even mixing, under HTS 3207.40.5000 as glass for ceramic industry.
Opacifying Glass Powder for Porcelain Enamels
Specialized glass powder that creates opacity in porcelain enamel coatings for appliances and sanitary ware. Disperses evenly during high-temperature firing, classified under HTS 3207.40.5000 for enamelling industry.
Fused Silica Flakes for Glass Decoration
Ultra-pure fused silica in flake form used in decorative glass frit for architectural panels and tableware. Provides crystal clarity post-firing, under HTS 3207.40.5000 but noted as specific glass form.
Zirconium-Enhanced Glass Granules for Tableware
Glass granules doped with zirconium oxide for brilliant white glazes on ceramic tableware. Enhances opacity and durability in dinnerware production, HTS 3207.40.5000 as prepared glass for ceramics.
Alumina Glass Powder for Technical Ceramics
High-alumina content glass powder for advanced technical ceramics like spark plug insulators. Improves dielectric strength and thermal shock resistance, classified HTS 3207.40.5000 for ceramic industry.
Cryolite Glass Powder for Sanitary Ware Glazes
Synthetic cryolite-infused glass powder producing matte, acid-resistant glazes for bathroom fixtures. Essential for sanitary porcelain durability, HTS 3207.40.5000 glass powder for ceramics.
Lithium Glass Granules for Porcelain Flux
Low-expansion lithium glass granules acting as flux in high-fire porcelain bodies. Reduces firing temperature while maintaining translucency, under HTS 3207.40.5000 for ceramic use.
Opaque Glass Powder for Electrical Porcelain
Glass powder creating opacity and insulation in electrical porcelain components like bushings. High dielectric strength for power applications, HTS 3207.40.5000 ceramic preparations.
Soda-Lime Glass Flakes for Mosaic Tile Glazes
Recycled soda-lime glass flakes for vibrant, durable glazes on mosaic tiles. Provides economical flux with good color stability, classified HTS 3207.40.5000 glass flakes for ceramics.
Barium Glass Powder for Decorative Ceramics
Barium oxide glass powder enhancing refractive index in decorative ceramic overglazes. Creates jewel-like effects on art pottery, under HTS 3207.40.5000 for ceramic enamelling.
Fluorine Glass Granules for Matte Glazes
Fluoride-containing glass granules producing microcrystalline matte glazes on stoneware. Controlled devitrification creates unique textures, HTS 3207.40.5000 glass for ceramics.
Glass Flakes for Architectural Glass Frit
Oriented glass flakes that create iridescent effects in frit for building facade glass panels. Applied in architectural glass enameling, under HTS 3207.40.5000 as glass flakes for glass industry.