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3910.00.00.00/Polydimethylsiloxane (PDMS) Fluid/Canada

Polydimethylsiloxane (PDMS) Fluid from Canada

Polydimethylsiloxane (PDMS) is a clear, viscous silicone polymer fluid used in lubricants, cosmetics, and as a release agent. It falls under HTS 3910.00.00.00 as a silicone in primary form, where the siloxane monomer units constitute 95% or more by weight of the polymer content per chapter notes.

Duty Rate — Canada → United States

13%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Verify monomer composition via supplier certificates to confirm 95% siloxane content for Chapter 39 classification

• Ensure SDS sheets detail primary form status to avoid misclassification as compounded products

• Check for REACH compliance if sourcing from EU for silicone fluids

Polydimethylsiloxane (PDMS) Fluid from Canada — Import Duty Rate | HTS 3910.00.00.00