Dicumyl Peroxide
Dicumyl peroxide acts as a crosslinking agent in rubber and silicone elastomer vulcanization processes. Under HTS 2909.60.5000 as an ether peroxide, it's a separate chemically defined compound per Chapter 29 note (a), distinguished from polymer-bound forms.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied on inert carrier for rubber compounding
Rubber vulcanization accelerators on carriers classified in Chapter 38.
If classified by amino-oxygen function when peroxide secondary
Chapter notes prioritize oxygen functions in 2922 over general peroxides.
If technical grade with multiple additives exceeding note (g) limits
Additives rendering specific use suitability shift to Chapter 38 mixtures.
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Import Tips & Compliance
• Require DOT/UN approved packaging for self-accelerating decomposition temperature (SADT) compliance
• Document stabilizer content to qualify under Chapter 29 note (f) for preservation additives
• Avoid Chapter 40 rubber accelerator classification by proving pure chemical form
Related Products under HTS 2909.60.50.00
Di-tert-butyl Peroxide
Di-tert-butyl peroxide is a dialkyl peroxide used primarily as an initiator in free-radical polymerization reactions for producing plastics and elastomers. It falls under HTS 2909.60.5000 as an ether peroxide, chemically defined organic compound within Chapter 29 scope for separate organic peroxides. This classification covers its use in industrial polymer synthesis rather than as a fuel or coloring agent excluded by chapter notes.
Cumene Hydroperoxide
Cumene hydroperoxide serves as an intermediate in phenol and acetone production via the Hock process, functioning as an organic hydroperoxide. Classified under HTS 2909.60.5000 as an alcohol peroxide derivative within Chapter 29's organic compounds scope. Excluded from Chapter 28 as it's not an inorganic peroxide.
tert-Butyl Hydroperoxide
tert-Butyl hydroperoxide (TBHP) is an organic hydroperoxide used as an oxidant in epoxidation reactions and oxidation catalysis. It qualifies for HTS 2909.60.5000 as an alcohol peroxide, fitting Chapter 29's definition of chemically defined organic peroxides with necessary stabilizers for safe transport.
Lauroyl Peroxide
Lauroyl peroxide functions as a polymerization initiator for acrylic resins and as a bleaching agent in flour milling. Classified in HTS 2909.60.5000 as a diacyl peroxide (ketone peroxide derivative), meeting Chapter 29 criteria for chemically defined organic compounds with transport stabilizers.
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
This dialkyl peroxide serves as a high-temperature initiator for crosslinking polyethylene and silane-modified polymers. HTS 2909.60.5000 covers it as a chemically defined ether peroxide, with permitted anticaking stabilizers per Chapter 29 note (f).
Methyl Ethyl Ketone Peroxide (MEKP)
MEKP is the standard curing agent for unsaturated polyester resins in fiberglass composites and gelcoats. As a ketone peroxide solution, it falls under HTS 2909.60.5000 per Chapter 29 for organic peroxides dissolved in solvents for safe transport (note e).