Chimassorb 2020 Plastic Antioxidant

Chimassorb 2020 is the trade name for bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate, functioning as a UV and heat stabilizer in polyolefin plastics. HTS 3812.39.70.00 specifically names this compound as an anti-oxidizing preparation for rubber or plastics.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.99.97.01Lower: 6.5% vs 35%

If imported in research quantities without commercial end-use declaration

Other heterocyclic compounds classify in Chapter 29 when not specified as functional preparations.

3812.39.20.00Higher: 41.5% vs 35%

If containing accelerating properties for vulcanization

Rubber accelerators have separate subheading even when sharing stabilizer functions.

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Import Tips & Compliance

Include GC-MS analysis certificate proving compound identity per CBP laboratory requirements

Use UN 3077 proper shipping name with marine pollutant marking for DG compliance

Document commercial invoice must specify 'for rubber/plastics stabilization' to maintain heading 3812 classification