Aerospace-Grade Elastomeric Polysulfide Sealant Resin from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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