Songnox 259 Polymer Stabilizer from United States
Songnox 259 is 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate, supplied as white powder or flakes for stabilizing polypropylene and polyethylene. It is classified under tariff item 2918.29.00 as an 'other' carboxylic acid with phenol function. The physical form does not affect classification.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is the pure compound and not a formulation
• Provide the CAS number and technical data sheet
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