Bis(4-tert-butylperoxy isopropyl)benzene from Canada
Aromatic dialkyl peroxide for high-temperature rubber curing applications. HTS 2909.60.5000 covers this ether peroxide as per Chapter 29 organic compound definitions.
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
• Aromatic stabilization allows higher storage temperatures vs aliphatic analogs
• Molecular weight confirmation prevents polymer classification