No. 5 Heavy Fuel Oil (Bunker C Grade) from Mexico
No. 5 heavy fuel oil, also known as Bunker C grade, is a heavy residual fuel oil with a Saybolt Universal viscosity exceeding 125 seconds at 37.8°C and an API gravity under 25 degrees. It is derived from petroleum refining processes and contains 70% or more petroleum oils as its basic constituent, classifying it under tariff item 2710.19.99. This fuel oil is used in marine boilers and industrial heating applications.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product's viscosity and API gravity with a laboratory analysis to ensure correct classification
• Note that Bunker C grade fuel oil may be subject to marine fuel sulfur regulations in Canada
• Keep records of the product's origin and composition for CBSA audits