Unvulcanized Silicone Rubber Sheets from Canada
High-temperature resistant unvulcanized silicone rubber sheets for molding into seals and gaskets. This compounded product is classified in HTS 4005.91.00.00 as unvulcanized rubber in sheet form, prior to vulcanization.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Test for vulcanization status; provide lab reports if challenged by CBP
• Avoid antioxidants or stabilizers in excess to retain raw material character
• Declare exact thickness to confirm 'sheet' vs 'plate' but both covered here