Zirconium Oxide Analytical Boats
Sintered ZrO2 ceramic boats for TGA/DSC analysis in materials labs. Hardness 9+ Mohs post-firing, per HTS 6909.12 for technical laboratory receptacles. Precise dimensions for high-temp testing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other non-9+ hardness boats
Technical ceramic boats without superior hardness fall to the general technical basket.
If tableware-like sets available
If sold in patterns with specified sets, shifts to porcelain tableware heading 6914.
If parts of lab inductors
Ceramic parts integral to electrical lab equipment may classify under Chapter 85.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Document analytical end-use and hardness specs; avoid bulk retail packaging
• Ensure no Chapter 71 jewel-like decoration
Related Products under HTS 6909.12.00.00
Alumina Crucible for Laboratory Use
High-purity alumina crucible designed for high-temperature melting and analysis in chemical laboratories. It features a hardness of 9 on the Mohs scale due to its sintered aluminum oxide composition, meeting Chapter 69 requirements for fired ceramic products used in technical applications. Exceeds standard porcelain hardness for handling corrosive substances.
Zirconia Grinding Media Balls
Sintered zirconia ceramic balls used in ball mills for fine grinding in chemical and pharmaceutical labs. Achieves Mohs hardness of 9+ from yttria-stabilized zirconia, fired per Chapter 69 standards for technical durability. Ideal for abrasion-resistant milling of hard materials.
Silicon Carbide Laboratory Mortar and Pestle
Fired silicon carbide set for grinding hard samples in analytical chemistry labs. Exhibits Mohs hardness of 9.5, qualifying as technical ceramic ware under HTS 6909.12 for its resistance to acids and high wear. Shaped and fired to Chapter 69 specifications.
Fused Silica Distillation Flask
High-hardness fused silica flask for precise distillation in chemical research labs. Fired ceramic body reaches Mohs 9+, as per Chapter 69 for technical uses in handling volatile compounds. Translucent and low-absorption for purity.
Boron Nitride Crucible for Technical Furnaces
Hexagonal boron nitride ceramic crucible for high-purity melting in semiconductor labs. Achieves Mohs hardness over 9 post-firing, fitting HTS 6909.12 for chemical/technical receptacles. Excellent thermal shock resistance.
Aluminum Oxide Technical Packing Jars
Dense aluminum oxide jars for packing corrosive goods in chemical transport. Hardness 9+ on Mohs scale from fired ceramic process, under HTS 6909.12 for technical conveyance articles. Impervious to most reagents.