Fluorosilicone Polymer Gum from Germany
Fluorosilicone gum stock is used in aerospace seals requiring fuel resistance. Primary form classification under HTS 3910.00.00.00 when fluoroalkyl siloxane monomers predominate.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide monomer ratio analysis showing siloxane family dominance
• Aerospace customers require MIL-spec certification at entry
• Avoid compounded gums to stay in primary forms