Hydroxy-Terminated Polydimethylsiloxane from China
Hydroxy-terminated polydimethylsiloxane is a reactive silicone fluid in primary form, used as a precursor in sealants and adhesives. It is classified under this tariff item as a silicone in primary forms, with the hydroxy termination being a chemical modification that does not change the predominant siloxane polymer classification.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is in liquid or paste form and not mixed with solvents exceeding 50% by weight, as that would exclude it from Chapter 39
• Clearly label the product as a silicone fluid in primary form on the customs declaration
• Consider whether the product is subject to Canadian controlled goods regulations if used in defense applications