Silica Crucible for Ashing
Cylindrical fused silica crucible used in labs for high-temperature ashing of samples in muffle furnaces. HTS 7017.10.60.00 applies to this other laboratory glassware of fused quartz, prized for chemical inertness up to 1200°C.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If porcelain or ceramic construction
Lab crucibles of ceramic materials classify under Chapter 69 headings.
If graduated or calibrated but of other glass
Borosilicate crucibles go to specific other-glass lab subheadings.
If mineral wool form not meeting glass wool specs
Non-compliant mineral wools fall to 6806 per 7019 note.
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Import Tips & Compliance
• Confirm no ceramic additives; pure fused silica required for 7017.10
• Include thermal specs in invoices to prove lab suitability
Related Products under HTS 7017.10.60.00
Fused Silica pH Electrode Jacket
Protective fused quartz jacket for pH electrodes in harsh lab environments. Under HTS 7017.10.60.00 as other hygienic/pharmaceutical glassware of fused silica.
Silica Chromatography Column
Fused silica column tubing for gas chromatography separations in analytical labs. HTS 7017.10.60.00 for other lab glassware.
Quartz Vacuum Hydrolysis Tube
Sealable fused quartz tube for hydrolysis reactions under vacuum in protein analysis labs. HTS 7017.10.60.00 applies.
Fused Silica Calorimetry Cell
Precision cell for bomb calorimetry of fuels and organics in research labs. Other lab glassware of fused quartz per HTS 7017.10.60.00.
Quartz Cuvette for Spectrophotometry
Precision rectangular cell of fused quartz with optical-grade windows for UV-Vis spectroscopy in analytical labs. HTS 7017.10.60.00 covers this as other fused silica laboratory glassware, valued for 200nm UV transparency. Often calibrated for path length accuracy.
Fused Quartz Distillation Apparatus
Laboratory-scale distillation setup including condenser and receiver made from fused silica for ultra-pure separations. Falls under HTS 7017.10.60.00 as other fused quartz lab glassware, retaining heading 7017 character per chapter notes regardless of article form.