Ground Borosilicate Glass Powder
Fine powder obtained by grinding borosilicate glass, used in high-temperature ceramic glazes and glass enamels. Falls under HTS 3207.40.10.00 for pulverized glass preparations in the ceramic and glass sectors. Known for thermal shock resistance in frit formulations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mixed with pigments or opacifiers
Prepared pigments or colors based on these powders fall under the residual subheading.
If used in labware crucibles as finished product
Articles of glass-ceramics are in Chapter 69 for end-use items.
If pure boric oxide compound
Chemically defined boron compounds are excluded to Chapter 28.
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Import Tips & Compliance
• Certify boron content and thermal expansion data to distinguish from common glass powders
• Ensure dust-proof sealing on pallets to meet IMO hazardous materials if fine particulates
Related Products under HTS 3207.40.10.00
Pulverized Soda-Lime Glass Frit
Ground soda-lime-silica glass turned into fine powder frit for flat glass enamelling and ceramic tiles. HTS 3207.40.10.00 applies to this ground glass form for ceramic and enamelling industries. It serves as a base for opaque glazes.
Enamelling Glass Powder
Pulverized specialty glass for porcelain enamelling on metal substrates, ground to micron sizes. Classified in HTS 3207.40.10.00 for ground glass used in enamelling industry. Provides adhesion and durability in coatings.
Ground Barium Glass Powder
Pulverized barium oxide-containing glass powder for ceramic opacifiers and glass frits. HTS 3207.40.10.00 for ground glass in ceramic/glass use. Imparts opacity and refractive qualities.
Ceramic Tile Frit Powder
Ground glass frit powder specifically for ceramic tile glazes, pulverized for uniform melting.
Glass Enamel Base Powder
Pulverized base glass for custom enamel mixing in glass industry.
Synthetic Glass Powder for Pottery
Ground synthetic glass powder for pottery glazes.