About HS Code 381090
This category encompasses fluxes and other auxiliary preparations for soldering, brazing, or welding, including preparations used as cores or coatings for welding electrodes or rods, but specifically excluding metal-containing powders and pastes. Fluxes are chemical agents that clean metal surfaces, prevent oxidation during heating, and improve the wetting and flow of molten solder or braze alloy, ensuring strong, reliable joints. Electrode coatings stabilize the arc, protect the weld pool from atmospheric contamination, and introduce alloying elements. Key participants in this trade are chemical suppliers, electronics manufacturers, metal fabricators, and construction companies. Critical aspects include flux activity levels, residue characteristics, and compatibility with various metals and joining techniques, driving innovation in welding and soldering technology.
Products Under This Code
Rosin-based soldering flux, No-clean soldering flux, Water-soluble soldering flux, Brazing flux paste (non-metal), Welding electrode coatings, Submerged arc welding flux, Gas welding flux
Real World Examples
Kester Flux, Alpha Assembly Solutions Flux, Indium Corporation Flux, Lincoln Electric Flux, ESAB Welding Flux
Common Misclassification
Often confused with 381010 if the preparations contain metal powders or pastes, as 381010 specifically covers metal-containing soldering/brazing/welding powders and pastes.
Products Classified Under 3810.90
Industry
This code belongs to the Chemicals industry.
Trade Overview
China, USA, Germany, Japan, and Mexico are significant importers and exporters of these welding and soldering fluxes.
Frequently Asked Questions
What is HS code 381090?
HS code 381090 covers: Fluxes and other auxiliary preparations; for soldering, brazing or welding, or preparations used as cores or coatings for welding electrodes or rods. This category encompasses fluxes and other auxiliary preparations for soldering, brazing, or welding, including preparations used as cores or coatings for welding electrodes or rods, but specifically excluding metal-containing powders and pastes. Fluxes are chemical agents that clean metal surfaces, prevent oxidation during heating, and improve the wetting and flow of molten solder or braze alloy, ensuring strong, reliable joints. Electrode coatings stabilize the arc, protect the weld pool from atmospheric contamination, and introduce alloying elements. Key participants in this trade are chemical suppliers, electronics manufacturers, metal fabricators, and construction companies. Critical aspects include flux activity levels, residue characteristics, and compatibility with various metals and joining techniques, driving innovation in welding and soldering technology.
What products fall under HS code 381090?
Rosin-based soldering flux, No-clean soldering flux, Water-soluble soldering flux, Brazing flux paste (non-metal), Welding electrode coatings, Submerged arc welding flux, Gas welding flux
What are common misclassifications for HS code 381090?
Often confused with 381010 if the preparations contain metal powders or pastes, as 381010 specifically covers metal-containing soldering/brazing/welding powders and pastes.
How is HS code 381090 structured?
HS code 381090 is a 6-digit subheading under the Harmonized System. The first 2 digits (38) identify the chapter, digits 3-4 (10) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.