Vinyl-Functional Silicone Polymer from United States
Vinyl-functional silicone polymer is a vinyl-terminated silicone used as a crosslinking agent for RTV silicones. It is classified under this tariff item as a silicone in primary forms, with the siloxane units exceeding 95% by weight and the vinyl groups being a chemical modification to the polymer chain.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is in primary form (liquid or paste) and not a finished article
• Declare the vinyl content and siloxane percentage on the customs invoice to support classification
• Verify if the product requires a Canadian import permit under chemical control regulations