Poly(dipropylene glycol) Phenyl Phosphite from Mexico
Poly(dipropylene glycol) phenyl phosphite offers low volatility stabilization for adhesives. Polymeric phosphite ester falls under HTS 2920.29.00.00 'other'.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Molecular weight distribution (PDI <1.5) confirms polymeric phosphite status
• Hydroxyl number specification distinguishes from phosphate polymers
• Viscosity stability data prevents mixture classification