Bis(2,4-dicumylphenyl) Pentaerythritol Diphosphite from China
Bis(2,4-dicumylphenyl) pentaerythritol diphosphite is a sterically hindered phosphite ester used as a processing and long-term heat stabilizer in nylon and other engineering plastics. Its dual phosphite functionality provides hydrolysis resistance, making it suitable for demanding applications. This compound falls under tariff item 2920.29.00 as an 'other' phosphite ester, not elsewhere specified.
Duty Rate — China → Canada
Import Tips
• Ensure the product is classified as a phosphite ester under heading 29.20; provide a detailed technical data sheet to CBSA for verification
• Verify if the shipment qualifies for any free trade agreement preferences to reduce duty
• Keep records of the chemical composition and intended use in case of a customs review