Diisodecyl Pentaerythritol Diphosphite from China
Diisodecyl pentaerythritol diphosphite is a complex phosphite ester antioxidant used to stabilize polyolefins against thermal degradation during processing and end-use. Its structure, featuring two phosphite groups linked via a pentaerythritol backbone, classifies it under 'other' phosphite esters. This product falls under tariff item 2920.29.00.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the exact chemical identity with a certificate of analysis to avoid misclassification
• Ensure the product is not used in food-contact applications unless compliant with Canadian regulations
• Provide a clear description of the polymer stabilization function to customs