Unvulcanized Silicone Rubber Sheets from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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