3810.90.20.00/Sodium Nitrite Welding Flux Activator/Japan

Sodium Nitrite Welding Flux Activator from Japan

Powdered sodium nitrite incorporated in inorganic fluxes for stainless steel welding. Enhances oxide removal at arc temperatures, wholly inorganic under 3810.90.2000. Pipeline and pressure vessel fabrication.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Oxidizer label; incompatible with acids (nitrous fumes)

• AWS flux spec documentation speeds clearance

• Not food-grade nitrite—industrial use declaration