Phenyl-Modified Silicone Oil from Canada
Phenyl-modified silicone oil offers high thermal stability for transformer fluids. HTS 3910.00.00.00 applies as primary silicone per note (a)(3) for modified polymers.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Flash point and phenyl content certificates prevent lubricant misclassification
• Bulk import requires DOT-compliant packaging
• Verify IEEE standards compliance for end-use validation