Di(4-tert-butylcyclohexyl)peroxydicarbonate from Canada
This perester serves as a low-temperature initiator for PVC suspension polymerization. Covered by HTS 2909.60.5000 as an organic peroxide per Chapter 29, distinguished from coordination compounds by note 5(C).
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Half-life temperature data (10hr @ 41°C) required for temperature-controlled shipping
• Plasticizer solvent content verified against note (e) transport criteria
• Distinguish from Chapter 39 PVC additives with pure chemical analysis