Graphite Block Heat Exchanger for Corrosive Chemicals

Corrosion-resistant graphite exchanger for handling acids in chemical processing. Falls under HTS 8419.50.5000 for other heat exchange units in aggressive industrial environments.

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.

8481.80.90Higher: 37% vs 35%

If with specialized control valves integrated

Valve-equipped exchangers may classify as control gear.

6909.19.50Higher: 39% vs 35%

If imported as raw graphite blocks without channels

Unmachined graphite articles are in Chapter 69 ceramics.

8419.89.95Higher: 39.2% vs 35%

If for pharmaceutical reaction vessels

Pharma-specific temperature control equipment has other provisions.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide chemical resistance test data for the specific acids used

Declare graphite purity levels for accurate material valuation

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