Silicone Sponge Rubber Sheets from Mexico
High-temperature resistant cellular silicone rubber sheets for gasketing and insulation. Under 4016.10.00.00 as vulcanized cellular rubber per Chapter 40 definitions, suitable for extreme environments. Maintains flexibility from -60°C to 200°C.
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
• Certify silicone polymer meets synthetic rubber elongation/recovery test
• Distinguish from silicone plastics (3920) via rubber-specific vulcanization proof
• Large sheets may classify as 4008.21 if simple rectangular primary forms