Lowilite HY 77 Polymer Stabilizer from Mexico
Lowilite HY 77 contains bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate as the active HALS ingredient for protecting plastics from photodegradation. Classified specifically under HTS 3812.39.70.00 due to its role as a compound stabilizer for rubber and plastics applications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide manufacturer's specification sheet confirming CAS 41556-26-7 identity and >98% purity
• Classify as Environmentally Hazardous Substance per IMDG Code 9.1 for ocean transport
• Avoid common pitfall of declaring as 'plastic additive' which triggers 3824 reclassification