Poly(dipropylene glycol) Phenyl Phosphite from Canada
Poly(dipropylene glycol) phenyl phosphite offers low volatility stabilization for adhesives. Polymeric phosphite ester falls under HTS 2920.29.00.00 'other'.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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