Molten-Salt-Cooled Reactor Tube Bundle

Process tube bundle surrounded by molten salt coolant jacket in acrylic acid fixed-bed reactors. Specifically HTS 8419.90.50 for molten-salt-cooled acrylic acid reactor components. Fabricated from high-temperature stainless with proprietary alloys.

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%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

8419.50.50Same rate: 35%

If standard process heat exchangers

Tube bundles for general heat exchange separate from acrylic acid reactors.

7222.40.30Same rate: 35%

If imported as stainless steel bars/tubes

Steel products if not assembled as reactor component.

8479.90Lower: 10% vs 35%

If other chemical processing parts

Chemical machinery parts outside specific acrylic acid provision.

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

Tube sheet weld radiography reports; molten salt corrosion test data; catalyst compatibility verification

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