Aerospace-Grade Elastomeric Polysulfide Sealant Resin from China
Aerospace-Grade Elastomeric Polysulfide Sealant Resin is a primary form polymer for fuel tank coatings. HTS 3911.90.10.00 covers its elastomeric nature under polysulfides, compliant with 95% monomer rule. High chemical resistance suits aviation demands.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Comply with REACH/ TSCA for aerospace chemicals; provide safety data sheets
• Confirm dimensions don't trigger 3921 Free (B) note if in sheet form