Songnox 259 Polymer Stabilizer from China
Songnox 259 is a hindered phenolic antioxidant, chemically 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate. It is supplied as powder or flakes for stabilizing polypropylene and polyethylene. This product is classified under tariff item 2918.29.00.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the product is a separate chemically defined compound
• Provide the chemical structure and purity data
• Ensure the product is not mixed with other stabilizers that could change classification