Naugard Q Rubber Stabilizer from Canada
Naugard Q is a quinoline-based polymeric antioxidant providing flex cracking resistance in butyl rubber inner tubes. It contains modified aromatic structures qualifying for HTS 3812.39.60.00 as a rubber compound stabilizer.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include molecular weight distribution analysis for polymer verification
• Provide vulcanization compatibility certificates from rubber producers
• Ensure TSCA registration numbers are listed on documentation