Porcelain Compressor Piston Ring
Fired porcelain ring for pistons in air compressors used in chemical plants, providing wear resistance. HTS 6909.11.20.00 covers this as a machinery part of porcelain for technical uses.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for compressors if part of complete pumping assembly
Machinery parts of any material in assembled form classify under specific machine headings.
If refractory composition for extreme heat compressors
High-temperature refractory ceramic articles use 6902/6903, excluding from 6909.
If ground/manufactured into millstones or grinding wheels
Articles of heading 6804 explicitly excluded from Chapter 69 coverage.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document end-use in chemical/agricultural machinery to justify technical classification
• Retain firing temperature records (>800°C) to prove Chapter 69 eligibility
• Avoid bulk packaging mislabeling as consumer goods, triggering Chapter 69 exclusions
Related Products under HTS 6909.11.20.00
Porcelain Centrifuge Bowl Liner
Liner insert for laboratory centrifuges made of translucent porcelain, ideal for sample separation. HTS 6909.11.20.00 applies to this fired china machinery part for technical laboratory use.
China Reactor Vessel Impeller
Impeller blade assembly of china for chemical reactor vessels, ensuring chemical resistance. As a porcelain machinery part for technical uses, it fits HTS 6909.11.20.00.
Porcelain Pump Valve Body
A precision-machined porcelain component used as the valve body in industrial pumps for handling corrosive chemicals. Classified under HTS 6909.11.20.00 as a machinery part made of porcelain for chemical or technical uses, fired after shaping with low water absorption.
China Laboratory Stirrer Shaft
High-purity china shaft component for magnetic stirrers in chemical laboratories, resistant to acids and bases. Falls under HTS 6909.11.20.00 as porcelain/china machinery part for technical/chemical applications, meeting fired ceramic criteria.
China Filter Housing Nozzle
Precision china nozzle for filter housings in pharmaceutical processing equipment, corrosion-resistant. Classified in HTS 6909.11.20.00 for porcelain machinery parts in technical/chemical uses.
Porcelain Extruder Die Insert
Die insert component for plastic extruders in technical manufacturing, made of durable porcelain. HTS 6909.11.20.00 for fired porcelain parts used in chemical processing machinery.