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Silicone Sponge Rubber Sheets from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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