Porcelain Compressor Piston Ring from United States
A fired porcelain ring for pistons in air compressors used in chemical plants, offering wear resistance. This article serves a technical purpose and is made of porcelain, fitting tariff item 6909.11.00.
Duty Rate — United States → Canada
4.5%
Import Tips
• Verify the ring is fired at high temperatures, as Chapter 69 excludes articles heated below 800°C
• Declare it as a ceramic ware for technical use, not as a general machinery part
• Keep firing certificates for CBSA review