Sodium Nitrite Welding Flux Activator from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Oxidizer label; incompatible with acids (nitrous fumes)
• AWS flux spec documentation speeds clearance
• Not food-grade nitrite—industrial use declaration