3812.39.90.00/Doverphos S-480 Phosphite for PVC Stabilization/Canada

Doverphos S-480 Phosphite for PVC Stabilization from Canada

Doverphos S-480 is distearyl pentaerythritol diphosphite providing hydrolysis resistance in rigid PVC pipe compounds. Classifies under HTS 3812.39.9000 as plastics compound stabilizer. Essential for long-term outdoor weatherability.

Duty Rate — Canada → United States

15%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Certify phosphorous acid content per ASTM test methods

• Include PVC formulator trial data supporting stabilizer function

• Hydrophobic packaging required for moisture-sensitive phosphites

Doverphos S-480 Phosphite for PVC Stabilization from Canada — Import Duty Rate | HTS 3812.39.90.00