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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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