Di-(2,2,6,6-tetramethyl-4-hydroxy-piperidine)sebacate from China
Di-(2,2,6,6-tetramethyl-4-hydroxy-piperidine)sebacate is a hindered amine light stabilizer (HALS) containing piperidine rings, which are hydrogenated pyridine rings. It is used as a polymer additive to prevent UV degradation in plastics and coatings. This compound falls under tariff item 2933.39.00 as a heterocyclic compound with an unfused pyridine ring.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the product is not put up in measured doses or retail packs, which would change classification
• Provide the technical data sheet showing the HALS structure
• Verify if the product is subject to Canadian chemical management regulations under CEPA