Ceramic Evaporating Dish for Chemical Labs
A glazed porcelain evaporating dish fired for laboratory chemical concentration processes. It qualifies under HTS 6909.90.00.00 as 'other' ceramic wares for chemical or technical uses, distinct from kitchen earthenware due to low water absorption and lab specification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If identical shape sold for household kitchen evaporating/drying
Same ceramic body used for non-technical food prep classifies as earthenware kitchenware under 6912.
If unfinished and sold as bulk components for lab assembly
Unfired or pre-fired shapes for further manufacture may fall under 6904 building ceramic articles if not fully technical.
If imported pre-filled with lab diagnostic reagents
Lab reagents with ceramic containers classify by reagent content under Chapter 38, not empty ceramic vessel.
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Import Tips & Compliance
• Include ASTM C373 water absorption certificate (<0.5% for porcelain) to support technical classification over household 6912
• Declare specific chemical resistance properties; generic dishes risk tableware scrutiny under Chapter 69 exclusions
• Ship with lab-grade packaging, not consumer retail, to avoid misclassification as kitchenware
Related Products under HTS 6909.90.00.00
Porcelain Crucible for Laboratory Use
A high-purity porcelain crucible fired after shaping, designed for high-temperature melting and analysis in chemical laboratories. It falls under HTS 6909.90.00.00 as ceramic ware for laboratory or chemical uses, meeting the chapter's firing requirement and technical application. The translucent body absorbs less than 0.5% water per US notes.
Alumina Ceramic Boat for Technical Furnaces
A fired alumina ceramic boat used in technical furnaces for sample transport during high-heat processes in metallurgy labs. Classified under HTS 6909.90.00.00 for other ceramic wares of technical uses, as it meets firing requirements and excludes refractory building materials of 6901-6903.
Silicon Carbide Ceramic Jar for Packing Chemicals
Fired silicon carbide jar used for secure packing and conveyance of corrosive chemical powders in industrial settings. Falls under HTS 6909.90.00.00 for ceramic jars of a kind used for packing goods, as per heading description and chapter firing notes.
Zirconia Ceramic Technical Pot for Catalyst Handling
High-performance zirconia ceramic pot fired for handling catalysts in chemical processing plants. Classified in HTS 6909.90.00.00 as other technical ceramic wares, excluding electrical insulators or Chapter 69 exclusions.
Porcelain Buchner Funnel for Lab Filtration
Fired porcelain Buchner funnel with perforated plate for vacuum filtration in analytical chemistry labs. HTS 6909.90.00.00 applies to this laboratory ceramic ware, confirmed by low water absorption and technical design.
Ceramic Desiccator Plate for Laboratory Drying
Glazed porcelain desiccator plate fired for supporting samples in moisture-free lab environments. Falls under HTS 6909.90.00.00 for other laboratory ceramic wares per chapter technical use criteria.