3910.00.00.00/Hydroxy-Terminated Polydimethylsiloxane/Canada

Hydroxy-Terminated Polydimethylsiloxane from Canada

Hydroxy-terminated PDMS is a reactive silicone fluid used in sealants and adhesives production. It qualifies under HTS 3910.00.00.00 as a primary form silicone per note (a)(3) for chemically modified polymers not more specifically covered.

Duty Rate — Canada → United States

13%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Document hydroxy modification as minor per Chapter 39 notes to stay in 3910; excessive modification risks 'Other' reclassification

• Include viscosity and MW specs in import docs

• Test for purity to avoid blending penalties

Hydroxy-Terminated Polydimethylsiloxane from Canada — Import Duty Rate | HTS 3910.00.00.00