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HFO-1336mzz (Z) Heat Transfer Fluid from Germany

(Z)-1,1,1,4,4,4-Hexafluoro-2-butene (HFO-1336mzz) is a high-performance heat transfer fluid for immersion cooling systems. This specific unsaturated fluorinated derivative is enumerated in HTS 2903.51.1000. Used in electronics cooling and organic Rankine cycle systems.

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%

Import Tips

Include flammability test data as HFO-1336mzz has specific flash point characteristics

Certify dielectric properties for electronics cooling applications

DOT classification typically UN1950 Class 2.2 non-flammable gas