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Acetylene Gas Generator Purifier Tower

A vertical tower filled with purification media to remove impurities like phosphine from acetylene gas produced in water process generators. Classified under HTS 8405.90.00.00 as an integral purifier part of acetylene gas generators.

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.

8421.39.01Same rate: 35%

If designed as a general industrial filtering or purifying equipment

Purifiers not specifically for acetylene generators may shift to Chapter 84 for centrifugal/pressure filters.

6909.19.50Higher: 39% vs 35%

If for ceramic purifier components sold separately

Ceramic labware or crucibles for gas purification classify under Chapter 69 by material.

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Import Tips & Compliance

• Provide chemical composition certificates for purifier media; ensure labeling specifies acetylene generator compatibility; beware of dual-use classification if adaptable to other chemical scrubbers