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3810.90.10.00/Styrene-Enhanced Brass Brazing Flux/Germany

Styrene-Enhanced Brass Brazing Flux from Germany

Liquid flux for brazing brass fittings containing styrene derivatives (>5% aromatics) to improve wetting and capillary action. Classified under HTS 3810.90.10.00 for brazing auxiliaries.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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Import Tips

• Test flux on specific brass alloys; comply with plumbing code certifications

• Pitfall: incorrect brazing vs soldering designation